Microlab B51 USB Power Speaker

Main Features
Output Power	4 Watt RMS
Subwoofer	Yes
Signal / noise ratio	> 65dB
Frequency response	80 – 18000Hz
Drivers	Tweeter driver type: 1.5
Jack	3.5mm stereo jack
Others	Power distribution: 2×2 Watt Harmonic distortion: 5 % (1Watt, 1kHz) Separation: 40 dB
Physical Spec
Dimension	Satellites: 205x68x35 mm
USB	Yes
Input Connetor	3.5mm stereo line-in
Power Source
Power	USB 5V/2A
Warranty
Manufacturing Warranty	01-year Warranty

Microlab B51 USB Power Speaker – Ultra-Compact USB-Powered Stereo Soundbar for Laptop & Desktop Use

The Microlab B51 USB Power Speaker is a slim, portable USB-powered stereo speaker system designed mainly for users who want a simple audio upgrade for laptops, tablets, and desktop monitors. It is not a heavy bass system, but rather a compact soundbar-style speaker focused on clarity, portability, and convenience.

This speaker delivers a total output power of 4W RMS (2W × 2 channels), using dual 1.5-inch full-range drivers. It provides clear voice reproduction and basic stereo separation, making it suitable for watching videos, online classes, office work, and casual music listening.

At its core, the B51 is designed as a USB-powered 2.0 stereo speaker, meaning it does not require a separate power adapter or battery. It runs directly from a USB 5V connection, making it extremely easy to use with laptops, PCs, or power banks.

The speaker uses a slim soundbar-style design, which can sit neatly under a monitor or clip onto a laptop screen. It also includes simple top-panel controls for power and volume adjustment, keeping operation straightforward and user-friendly.

For connectivity, it supports a 3.5mm audio input jack, allowing it to connect with laptops, desktops, smartphones, and other audio devices.

While the B51 is not designed for deep bass or high-volume output, it is ideal for users who prioritize space-saving design, portability, and clean mid/high sound clarity over powerful bass performance.

---

Key Features

• Model: Microlab B51
• Type: USB Powered Stereo Speaker (2.0 Soundbar Style)
• Output Power: 4W RMS (2W × 2)
• Drivers: Dual 1.5-inch full-range speakers
• Connectivity: 3.5mm AUX input
• Power: USB 5V (no adapter needed)
• Frequency Response: 80Hz – 18kHz
• Design: Slim soundbar with clamp-style mounting option
• Usage: Laptop, PC, tablet, office, study setup

---

Why Choose Microlab B51

• Very compact and space-saving design
• USB-powered (no extra adapter required)
• Clear sound for calls, videos, and work
• Easy plug-and-play setup
• Lightweight and portable for travel use
• Perfect for basic desktop audio upgrade

Visit our Website, follow our Facebook Page, and view our Google Business Profile for the latest updates.

Buy Microlab B51 USB Power Speaker from Super Tech

Get the original Microlab B51 USB Power Speaker in Bangladesh at Super Tech. This compact and portable speaker is designed to deliver clear stereo sound with enhanced bass performance — making it a great choice for laptops, desktops, study setups, and everyday multimedia use.

The Microlab B51 features a 4W RMS output power (2x2W) with dual 1.5” speaker drivers, providing balanced audio with crisp highs and decent low-frequency response for its size. It is specially engineered to reduce distortion and deliver clean sound even at higher volume levels.

Powered directly via USB (5V/2A), it requires no external adapter or battery, making it highly convenient for plug-and-play use with laptops, PCs, and power banks. It connects easily through a 3.5mm stereo jack, ensuring compatibility with almost all audio devices including smartphones, tablets, and MP3 players.

The speaker comes in a slim, modern design that fits perfectly on desks with limited space. Despite its compact size, it is tuned to deliver clear sound output across a wide frequency range of 80Hz to 18kHz, suitable for music, movies, and online meetings.

Whether you need a simple desktop speaker or a portable audio solution for daily use, the Microlab B51 USB Power Speaker offers reliable performance, easy connectivity, and great value for money.

Browse more Microlab speakers online or visit your nearest Super Tech store for the best price and trusted after-sales support.

The product includes a 1-year limited warranty. Please note that accessories such as cables or power adapters (if applicable) are not covered, and original packaging is required for warranty claims.