Barcode Reader Wireless 2D S20W Wireless 2D Barcode Scanner | S20-W Name: Wireless 2D Barcode Scanner Model: S20-W Interface: USB Color: Black
The ViewSonic 24″ 100Hz IPS Monitor is a high-performance display designed for work, entertainment, and gaming. It features a 24-inch Full HD IPS panel, delivering sharp visuals, vibrant colors, and wide viewing angles. Whether you’re working on creative projects, watching movies, or gaming, the high-quality display ensures a smooth and immersive experience. With a 100Hz refresh rate, this monitor provides ultra-smooth motion, reducing screen tearing and stuttering. The fast refresh rate enhances gaming, making movements appear fluid and responsive. It also improves everyday tasks like scrolling and video playback, providing a better overall visual experience. The IPS panel technology ensures consistent and accurate colors, making it ideal for content creators, designers, and professionals. The 178° wide viewing angles allow clear visibility from different positions, ensuring that images and text remain sharp and distortion-free. Designed with eye comfort in mind, the monitor features flicker-free technology and a blue light filter. These features help reduce eye strain and fatigue, making it comfortable for extended use. Whether you’re working long hours or enjoying a gaming session, this monitor keeps your eyes protected. The sleek and modern design fits seamlessly into any workspace or gaming setup. Its thin bezels provide a more immersive viewing experience, perfect for multi-monitor setups. The monitor includes multiple connectivity options, such as HDMI and DisplayPort, ensuring compatibility with a wide range of devices. With its fast refresh rate, stunning color accuracy, and ergonomic design, the ViewSonic 24″ 100Hz IPS Monitor is a great choice for professionals, gamers, and everyday users. It offers smooth performance, vibrant visuals, and long-term eye comfort in a stylish package. Specifications: Display : 24″ IPS Resolution : 1920×1080 FHD Refresh Rate : 100Hz Response Rate : 1ms
Features Stylish and compact Bluetooth speaker, easy to carry. Supports wireless connectivity via Bluetooth. True Wireless Stereo (TWS): Connect two speakers simultaneously. Durable ABS plastic material with a fabric-covered front panel. Built-in microphone for hands-free calls. LED indicator to display working status. Water-resistant with an IPX7 rating. Continuous playback for 8-12 hours (depending on volume). 5-watt speaker delivering Hi-Fi audio quality. On-speaker controls for music playback and volume adjustment. Built-in battery with Type-C charging port for easy recharging. Technical Specifications Bluetooth Version: V5.4 Transmission Distance: 10 meters Rated Power: 5W Driver Unit: 40mm Input: DC5V Battery Capacity: 1200mAh Charging Time: 2 hours Playback Time: 8-12 hours (depending on volume)
Are you looking for the ultimate gaming experience? Look no further! The Viewsonic VX3219-PC-MHD 32” 240Hz curved gaming monitor is your perfect match. With its impressive features, this monitor will elevate your gaming sessions to new heights. Firstly, let’s talk about the stunning visuals. The 32-inch curved screen provides an immersive experience, wrapping around your field of vision. This design helps you feel more connected to the game, making every moment more engaging. The 240Hz refresh rate is another highlight. It ensures ultra-smooth gameplay, reducing motion blur and giving you a competitive edge. Whether you’re playing fast-paced shooters or exploring open-world adventures, this refresh rate makes every action seamless. Additionally, the Full HD resolution delivers crystal-clear images. You’ll notice every detail, from the smallest textures to the broadest landscapes. This clarity enhances your gaming experience, making it more realistic and enjoyable. Moreover, the monitor’s quick 1ms response time is perfect for gamers. It minimizes lag and ghosting, ensuring that every movement and command is executed precisely. This feature is crucial for fast-paced games where every millisecond counts. The Viewsonic VX3219-PC-MHD also boasts excellent connectivity options. With HDMI and DisplayPort inputs, you can easily connect it to your gaming setup. This versatility makes it compatible with a wide range of devices, from PCs to gaming consoles. In conclusion, the Viewsonic VX3219-PC-MHD 32” 240Hz curved gaming monitor offers an exceptional gaming experience. With its immersive curved design, high refresh rate, and quick response time, it’s perfect for any gamer. Upgrade your gaming setup today and enjoy the ultimate in visual performance and smooth gameplay. Specifications: Display : 32″ VA Screen : FHD (1920 x 1080) Refresh Rate : 240Hz Curvature : 1500R Response Rate : 1ms MRPT Dual Integrated Speakers : 2W
Original 13.3-inch Retina LCD display (Space Gray) for MacBook Air A2337 (2020), pulled from a working unit. OEM part, ready to replace cracked or faulty screens with perfect fit and optics. This is a genuine Apple Retina display assembly removed from a working MacBook Air (model A2337, 2020). It’s ideal for repairing a damaged or nonfunctional screen on a matching model, delivering original visuals without resorting to aftermarket knockoffs. Key Features & Functionality True OEM Retina panel with factory calibration Integrated display glass, backlight, and flex cable Designed for model A2337 (Late 2020, M1) iFixit+1 Space Gray finish to match original chassis Tested: Display, backlight, no dead pixels (unless noted) Drop-in replacement requiring alignment and cable reconnection Specifications Important Notes & Considerations Must use exact model A2337 — other models are incompatible Slight blemishes or dust might exist due to being a used part Handle with care: screen glass is fragile Professional installation recommended if you’re not experienced
Led Desk Lamp REMAX RT-E815 ReSee Series Smart Eye-Caring 1500mAh RT-E815 With Container · Eye-caring lightning · Large-area lighting · 1500mAh · Delayed light-off · Soft lighting · Stepless dimming · Pen/phone holder · With rechargeable battery · Plug and use · A soft hose of 360-degree adjustment.
The ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor delivers smooth and sharp visuals for fast gaming. Its 2K resolution shows clear detail in games, videos, and creative work. The large 31.5-inch curved screen improves immersion and focus. This helps you feel closer to the action. Moreover, the ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor features a powerful 240 Hz refresh rate. This makes motion extremely smooth during fast scenes. As a result, gameplay looks fluid with less blur. This gives you a competitive edge in fast games. In addition, the monitor offers a very fast response time for quick screen changes. This reduces ghosting and keeps motion sharp. Controls feel more precise and responsive. This helps improve gaming accuracy. Furthermore, the ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor uses a high-contrast VA panel. Blacks appear deep and colors look rich. This makes games and movies more enjoyable. The curved design also improves side viewing comfort. Also, the monitor supports adaptive sync to reduce screen tearing and stuttering. This keeps frames smooth when your system speed changes. As a result, gameplay feels stable and clean. This enhances the overall gaming experience. In addition, the monitor includes modern connection options. It offers DisplayPort and HDMI for easy device setup. You can connect gaming PCs, consoles, and media devices with ease. This adds strong flexibility. Moreover, the stand offers tilt adjustment for viewing comfort. The slim design saves desk space while keeping a bold gaming look. The monitor also supports wall mounting for clean setups. Overall, the ViewSonic VX3216-2KC-PRO-3 31.5″ 2K 240Hz Curved Gaming Monitor delivers speed, clarity, and immersion in one strong display. It improves gaming performance and visual comfort. This monitor is ideal for gamers who want smooth action and large curved visuals. Specifications: Display : 31.5″ Fast VA Resolution : QHD 2560 x 1440 Refresh Rate : 240Hz Response Time : 1ms Curved
The ViewSonic TD1630-3 16″ Touch Screen Monitor offers smooth touch control in a compact and modern design. It provides clear HD visuals for work and entertainment. The screen shows bright colors and sharp details. This makes browsing, drawing, and viewing content more enjoyable. Moreover, the ViewSonic TD1630-3 16″ Touch Screen Monitor supports 10-point multi-touch. You can tap, pinch, and swipe with fast response. The touch experience feels natural and smooth. This helps you work faster and more comfortably. In addition, the monitor includes HDMI and VGA connections. These ports make setup quick and simple. You can connect laptops, desktops, and other devices with ease. This gives you strong flexibility for daily use. Furthermore, the ViewSonic TD1630-3 16″ Touch Screen Monitor features a durable stand. You can tilt the screen for better viewing angles. This helps reduce strain during long use. The strong design keeps the monitor stable on your desk. Also, the monitor includes built-in speakers for easy audio playback. You can watch videos, join meetings, or listen to music without extra devices. This makes the monitor more convenient and practical. The compact size of the ViewSonic TD1630-3 16″ Touch Screen Monitor fits small desks and workspaces. It works well in homes, offices, shops, and reception areas. The clean design blends nicely with modern setups. This makes it suitable for many environments. Overall, the ViewSonic TD1630-3 16″ Touch Screen Monitor offers responsive touch control, clear visuals, and simple connectivity. It improves productivity and enhances entertainment. It is ideal for students, professionals, and businesses that need a reliable touch display. Specifications: Display : 16″ TN Resolution : 1366×768 Refresh Rate : 60Hz Response Time : 12ms
Panel Size (inch) : 23.8 Aspect Ratio : 16:9 Display Viewing Area (H x V) : 527.04 x 296.46 mm Display Surface : Non-Glare Backlight Type : LED Panel Type : IPS Viewing Angle (CR≧10, H/V) : 178°/ 178° Pixel Pitch : 0.2745mm Resolution : 1920×1080 Color Space (sRGB) : 99% Brightness (Typ.) : 250cd/㎡ Contrast Ratio (Typ.) : 1000:1 ASUS Smart Contrast Ratio (ASCR) : 100000000:1 Display Colors : 16.7M Response Time : 5ms(GTG) Refresh Rate (Max) : 75Hz Flicker-free : Yes Video Feature Trace Free Technology : Yes SPLENDID Technology : Yes Color Temp. Selection : Yes(4 modes) GamePlus : Yes QuickFit : Yes HDCP : Yes VRR Technology : FreeSync™ Low Blue Light : Yes I/O Ports HDMI(v1.4) x 1 DVI x 1 VGA x 1 Signal Frequency Digital Signal Frequency : 24~84 KHz (H) / 48~75 Hz (V) Analog Signal Frequency : 24~84 KHz (H) / 48~60 Hz (V) Power Consumption Power Consumption : 13.2W Power Saving Mode : <0.5W Power Off Mode : <0.5W Voltage : 100-240V, 50/60Hz Mechanical Design Tilt : Yes (+23° ~ -5°) VESA Wall Mounting : 100x100mm Kensington Lock : Yes Dimensions (Esti.) Phys. Dimension with Stand (W x H x D) : 540.45 x 403.67 x 203.94 mm Phys. Dimension without Stand (W x H x D) : 540.45 x 324.67 x 44.4 mm Box Dimension (W x H x D) : 559 x 415 x 127 mm Weight (Esti.) Net Weight with Stand : 3.57 Kg Net Weight without Stand : 3.18 Kg Gross Weight : 5.50 Kg 3 Years Warranty manufacturer link
The BenQ 32-inch 4K Monitor for MacBook overview for creative professionals is a 32-inch UHD display designed for MacBook users who need a larger workspace with excellent image quality and accurate color performance. It features a 3840 × 2160 resolution that delivers sharp details for photo editing, video production, graphic design, and professional multitasking. The MA320U features a matte display surface that helps reduce reflections and glare, while the MA320UP features a glossy display surface that enhances contrast and visual clarity. Therefore, both models provide a high-quality viewing experience for creative and productivity-focused workflows. The display performance and color accuracy deliver detailed visuals with consistent colors across different applications. Moreover, the IPS panel provides wide viewing angles and comfortable viewing during long working sessions. As a result, users can enjoy reliable image quality for both professional tasks and everyday use. The connectivity and ergonomic design support efficient workstation setups. In addition, USB-C connectivity enables easy connection with MacBook devices, while HDMI and USB ports provide additional compatibility with other equipment. Therefore, the monitor helps create a clean and organized workspace. The workflow compatibility supports macOS and Windows systems for creative work, office applications, and entertainment. Furthermore, the 32-inch 4K screen provides extra space for multitasking while maintaining excellent clarity. Specifications: Display size: 32-inch IPS panel Resolution: 3840 × 2160 (4K UHD) Models: MA320U Matte display and MA320UP Glossy display Connectivity: USB-C, HDMI, and USB ports Warranty: 3 Years
AOC Q27G4F 27-inch QHD 180Hz gaming monitor delivers sharp visuals and fast performance for competitive gaming. It is designed for users who want higher resolution with smooth gameplay. Additionally, it features a 27-inch Fast IPS panel with QHD resolution (2560 × 1440). This panel provides clear detail and accurate colors, so it improves both gaming and content viewing. Moreover, the monitor supports a 180Hz refresh rate with 0.5ms MPRT response time. As a result, it ensures smooth motion and reduced blur during fast-paced gameplay. The display includes Adaptive Sync and G-SYNC compatibility. Therefore, it reduces screen tearing and stuttering for stable and responsive performance. In addition, it supports HDR10 and wide color gamut coverage. This improves color depth and image quality for games and media. Furthermore, the monitor includes a fully adjustable stand. It supports height, tilt, swivel, and pivot adjustments, so it improves comfort during long sessions. The design also includes HDMI 2.0 and DisplayPort 1.4 connectivity with a frameless layout for modern setups. AOC Q27G4F 27-inch QHD 180Hz gaming monitor provides a strong balance of resolution, speed, and ergonomic flexibility for gaming and daily use. Specifications: 27-inch Fast IPS panel with 2560 × 1440 QHD resolution 180Hz refresh rate for smooth gaming performance 0.5ms MPRT response time for reduced motion blur Adaptive Sync and G-SYNC compatible support HDR10 with wide color gamut for improved visuals
The LG 32MA70HY 32″ Monitor delivers large, clear visuals for work, entertainment, and everyday use.It features a 32‑inch screen with Full HD resolution for sharp images and smooth video.Moreover, the slim design fits well on desks in homes and offices. This monitor uses an IPS panel for wide viewing angles and consistent color from many positions.Additionally, anti‑glare coating helps reduce reflections in bright lighting.Fast response time reduces blur during moving content like videos and casual gaming. The LG 32MA70HY also includes HDMI and VGA ports for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle during long sessions.Low blue light and flicker‑safe features help reduce eye strain during extended use. This display suits students, professionals, and home users alike.Therefore, it supports productivity, media viewing, and everyday computing.Finally, it combines solid picture quality, reliable performance, and comfort features. Specifications: 32″ Full HD (1920 × 1080) IPS panel HDMI + VGA ports for PC and device connection Anti‑glare coating for comfortable viewing Tilt‑adjustable stand for ergonomic use Low blue light and flicker‑safe eye care
In the realm of monitors, the ViewSonic VA2201-H stands out as a reliable and clear solution, offering a perfect blend of visual excellence and simplicity for an enhanced viewing experience. Transitioning to its key features, the VA2201-H excels in providing crystal-clear visuals. This monitor is designed to deliver sharp and vibrant images, ensuring a visually engaging experience for work or entertainment. Moreover, this display impresses with its sleek and minimalistic design. The ViewSonic VA2201-H not only enhances the aesthetics of your workspace but also ensures straightforward setup, making it an ideal choice for users seeking simplicity. In addition to its functionality, the VA2201-H offers user-friendly controls and connectivity options, ensuring a hassle-free experience. This monitor seamlessly adapts to various settings, providing flexibility for different viewing preferences. Furthermore, ViewSonic’s commitment to user satisfaction is evident in the VA2201-H’s energy-efficient design and eye-care technology. It’s a reliable companion for extended viewing periods without compromising on visual quality. In conclusion, the ViewSonic VA2201-H redefines clarity and simplicity, combining clear visuals, sleek design, and user-friendly features. Elevate your viewing experience effortlessly with the VA2201-H – your clear and straightforward solution for visual excellence! Specifications Full HD 1080p 100Hz Refresh Rate 1ms Response Time Flicker-Free & Blue Light Filter View Mode: Game/Movie/Web/Text/Mono Inputs : HDMI/VGA Check other options here!
The Philips 27″ 100Hz LCD Monitor is the perfect choice for work, entertainment, and gaming. It delivers smooth visuals with a high refresh rate, ensuring a seamless viewing experience. With a 100Hz refresh rate, this monitor provides fluid motion, reducing screen tearing and stuttering. Whether you’re watching videos or playing games, you can enjoy clear and sharp visuals. The Full HD resolution ensures crisp details and vibrant colors for an immersive experience. The Philips 27″ 100Hz LCD Monitor features an ultra-slim design that enhances your workspace. Its narrow bezels provide a sleek, modern look, making it perfect for multi-monitor setups. The adjustable stand allows you to find the most comfortable viewing position. Setting up this monitor is easy with multiple connectivity options, including HDMI and VGA ports. It’s compatible with laptops, desktops, and gaming consoles, offering flexibility for different devices. Eye strain is reduced thanks to Philips’ Flicker-Free technology and LowBlue Mode. These features provide a more comfortable viewing experience, especially during long hours of use. Whether you’re working or gaming, your eyes will feel less fatigued. Energy efficiency is another key benefit of the Philips 27″ LCD Monitor. It consumes less power while delivering high performance, making it an eco-friendly choice for your home or office. Upgrade your display today and enjoy smoother visuals, vibrant colors, and ergonomic comfort. The Philips 27″ 100Hz LCD Monitor is a great addition to any setup. Specifications: Display : 27″ VA Resolution : 1920 x 1080 FHD Refresh Rate : 100Hz Response Rate : 4ms
Philips 241V8L6/69 23.6-inch monitor delivers clear and reliable performance for everyday work and home use. It focuses on Full HD clarity, strong contrast, and eye comfort features for long sessions. Additionally, it features a 23.6-inch VA panel with Full HD resolution (1920 × 1080). This panel provides deep contrast and vivid colors, so it improves image quality for documents, browsing, and media. Moreover, it supports a 75Hz refresh rate with Adaptive Sync. As a result, it delivers smoother motion and reduces screen tearing during video playback and light gaming. The monitor includes a 4ms GtG response time. Therefore, it handles motion clearly for everyday tasks and casual entertainment. In addition, it offers a 3000:1 contrast ratio with SmartContrast technology. This enhances dark scenes and improves overall image depth. Furthermore, it includes Flicker-Free technology and LowBlue Mode. So it helps reduce eye strain during long working hours. It also provides HDMI and VGA connectivity with an anti-glare screen surface. This ensures compatibility with modern and older devices while maintaining comfortable viewing. Philips 241V8L6/69 23.6-inch monitor provides balanced performance, solid contrast, and essential comfort features for daily productivity. Specifications: 23.6-inch VA panel with Full HD 1920 × 1080 resolution 75Hz refresh rate with Adaptive Sync support 4ms GtG response time for smooth visuals 3000:1 contrast ratio with SmartContrast Flicker-Free and LowBlue Mode for eye comfort
Reliability meets value in this pre-owned ThinkPad E14 Gen 2. Equipped with the AMD Ryzen 5 4500U 6-core processor, 8GB RAM, and a 512GB NVMe SSD, this laptop is built for students and professionals who need a durable, high-performance machine for everyday multitasking.
The ASUS VA249HG 24″ FHD Eye Care Monitor offers clear and sharp Full HD visuals. It provides bright colors and strong contrast. This makes movies, work, and daily tasks look clean and detailed. The 24-inch screen size is perfect for desks and small spaces. Moreover, the ASUS VA249HG 24″ FHD Eye Care Monitor includes a fast 75Hz refresh rate. This improves motion and reduces blur. It gives smoother movement during games and videos. This helps you enjoy a better viewing experience. In addition, the monitor features Adaptive Sync support. This reduces tearing and stuttering during fast action. Your screen stays smooth and steady. This makes it ideal for gamers and casual users. Furthermore, the ASUS VA249HG 24″ FHD Eye Care Monitor includes ASUS Eye Care technology. It reduces blue light and screen flicker. This helps protect your eyes during long hours of use. You can work, watch, or study more comfortably. Also, the monitor uses a VA panel for deep colors. It shows richer blacks and strong contrast levels. This improves the quality of movies and photos. It also works well for everyday design tasks. The clean and modern design of the ASUS VA249HG 24″ FHD Eye Care Monitor fits any workspace. The stand is stable and simple to adjust. You can tilt the screen for better comfort. This helps you find your ideal viewing angle. Overall, the ASUS VA249HG 24″ FHD Eye Care Monitor offers smooth performance, eye protection, and strong image quality. It is a great choice for home, office, and gaming use. It provides comfort, clarity, and value in one dependable display. Specifications: Display : 24″ IPS Resolution : FHD Refresh Rate : 120Hz Response Time : 1ms Model : 90LM02W0-B01171
Looking for a top-notch monitor to enhance your computing experience? The MSI Pro MP275Q 27″ 100Hz Monitor is the perfect choice. This monitor offers superior performance and stunning visuals, making it ideal for both work and play. Firstly, the 27-inch screen provides ample space for multitasking. Whether you’re working on multiple documents or enjoying a movie, the large display ensures you have all the room you need. The Full HD resolution delivers sharp and clear images, enhancing every detail. The 100Hz refresh rate is a standout feature of this monitor. It provides smooth and fluid visuals, which is particularly beneficial for gaming and video playback. You won’t experience any stuttering or lag, ensuring a seamless viewing experience. Another advantage of the MSI Pro MP275Q is its wide color gamut. This feature ensures vibrant and accurate colors, making it perfect for tasks that require color precision, such as photo editing or graphic design. Your projects will look exactly as you intend them to. Moreover, the monitor includes advanced eye care technology. It reduces blue light emission and flicker, helping to minimize eye strain during long periods of use. This makes it an excellent choice for professionals who spend hours in front of their screens. Connectivity is also a breeze with the MSI Pro MP275Q. It features multiple input options, including HDMI and DisplayPort, allowing you to connect various devices effortlessly. This flexibility ensures compatibility with your existing setup. In conclusion, the MSI Pro MP275Q 27″ 100Hz Monitor offers a superior viewing experience with its large screen, high refresh rate, vibrant colors, and eye care technology. Upgrade your setup today and enjoy enhanced performance and stunning visuals. Specifications: Display : 27″ IPS Resolution : 2560 x 1440 (WQHD) Refresh Rate : 100Hz Response Rate : 1ms MRPT
BenQ Board Essential Series 75 inch RE7504FV is designed for classrooms, meeting rooms, and interactive collaboration. It features a 75-inch 4K UHD IPS display with precision IR touch technology for smooth writing and presentations. Additionally, it supports up to 40 touch points. Therefore, it improves teamwork, teaching, and interactive learning experiences. The BenQ RE7504FV delivers 3840 × 2160 resolution with 450 nits brightness and anti-glare protection for clear visibility in bright environments. Moreover, it uses 9H tempered glass for durability and safer daily use. It also includes low blue light and flicker-free technology to reduce eye strain. In addition, it runs Android 14 (EDLA) with strong memory and storage options for smooth performance. Furthermore, it provides wide connectivity including HDMI 2.0, DisplayPort, USB-A, USB-C with 65W power delivery, VGA, and OPS slot support. As a result, users can easily connect laptops, cameras, and external systems. It also includes an 8-microphone array and dual 20W speakers for clear audio in meetings and lessons. Specifications: 75-inch 4K UHD (3840 × 2160) IPS display Precision IR touch with up to 40 touch points Android 14 (EDLA) with smooth system performance 450 nits brightness with anti-glare 9H tempered glass USB-C 65W, HDMI, OPS slot, mic array, and dual 20W speakers
The HUAWEI IdeaHub B3 IHB3-65SA is a 65-inch intelligent collaboration device designed for meetings and hybrid workspaces. It combines a 4K interactive display with built-in audio, video, and whiteboard tools for smooth teamwork. Additionally, it supports cloud meetings and wireless sharing for flexible communication. Moreover, it uses a 4K UHD infrared touch screen with low writing latency of about 16 ms. Therefore, users can write and interact smoothly during presentations and discussions. Furthermore, it includes a built-in 4K camera with intelligent tracking. So, it automatically follows speakers and improves video meeting quality. It also integrates multiple microphones and speakers for clear sound pickup and output. In addition, it supports Wi-Fi 6 connectivity and BYOM (Bring Your Own Meeting). Therefore, users can connect their own devices easily and start meetings without extra setup. Also, it runs on Huawei’s collaboration platform with support for cloud meetings, wireless projection, and digital whiteboarding. Overall, the Huawei IdeaHub B3 65-inch delivers an all-in-one meeting solution with smart collaboration tools, strong connectivity, and interactive display performance for modern offices. Specifications: 65-inch 4K UHD infrared touch display Built-in 4K camera with intelligent tracking Low 16 ms writing latency for smooth interaction Wi-Fi 6 support with BYOM connectivity Integrated speakers and multi-microphone system
