H21BK - Microlab H21 Wireless Bluetooth Bookshelf Speaker System | Aztek Computers
29+Years
SKU: J7OVQ66480 |  Mfg. Part: H21BK  | UPC: 878294032256  | 
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H21BK - Microlab H21 Wireless Bluetooth Bookshelf Speaker System w/ Versatile Connectivity & Real Wooden & Leather Finis

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Product Overview

These H21 Microlab speakers connect via Bluetooth technology with compatible devices such as smartphones and laptops to wirelessly amplify your digital music. It features a two-way design with 3.5-inch German patented woofers, as well as wooden cabinets and leather finishing for a stylish look. These computer speakers combine a Peter Larson silk dome tweeter and a Kurt-Muller dome diaphragm to project high-quality musical sound through the room. Since the speakers can be played anywhere within a 30-foot range of a connected device, users have the flexibility to continue using their phone without having to stay tethered to the device.

Expert Overview

The Microlab H21 Wireless Bluetooth Bookshelf Speaker System (part number H21BK) is designed for business and IT environments requiring a compact audio solution with wireless capabilities. This system connects to compatible devices like smartphones and laptops via Bluetooth, offering a 30-foot operational range for flexible device placement. It features a two-way design, incorporating 3.5-inch German patented woofers and a 1-inch Peter Larson silk dome tweeter with a Kurt-Muller dome diaphragm. The H21 system delivers 36 Watts of output power, distributed as 2x 18 Watts RMS, with a frequency range of 50 Hz to 20 kHz. Connectivity options include Bluetooth and 2RCA input. The speakers are housed in wooden cabinets with leather finishing, providing a professional aesthetic suitable for office or meeting room integration. This product addresses the need for a straightforward, wireless audio amplification system without requiring direct device tethering.

Technical Specifications

Specifications

  • Mfr Part Number: H21BK
  • Features:
    • Bluetooth Speaker with CSR latest Bluetooth chipset solution
    • Two-way design with 3.5" German patented woofers, 1" Peter Larson silk dome tweeter, and a Kurt-Muller Dome Diaphragm
    • Versatile connectivity options
    • Wooden cabinets and leather finishing
    • Stylish compact design of wooden cabinets and leather finishing
  • Amplifier:
    • Output Power: 36 Watt
    • Distribution: 2x 18 Watt RMS
    • Harmonic Distortion: < 0.5 % 1 Watt 1kHz
    • Frequency Range: 50 Hz - 20 kHz
    • Signal/Noise Ratio: > 70 dB
    • Separation: > 60 dB
  • Speakers:
    • Tweeter Drive Unit: 1"
    • Rated Power: 10 Watt, 4 ohm
    • Woofer Drive Unit: 3.5"
    • Rated Power: 20 Watt, 8 ohm
  • Interfaces
    • Input: 2RCA
    • Output: Terminal binding post
  • Color: Black
  • Dimensions:
    • Right: 4.5 x 7.7 x 7.9 inch
    • Left: 4.5 x 7.4 x 7.9 inch
  • Weight: 10.36 lbs

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Microlab
  • H21BK
  • B0097OUANC
  • 878294032256
  • New
  • 11.68 lbs
  • 5 X 5 X 5
  • Jul 28, 2026
  • Oct 09, 2013
Product Identifiers: Brand: Microlab • Part #: H21BK • UPC: 878294032256 • ASIN: B0097OUANC • Category: Audio Docks & Mini Speakers

Frequently Asked Questions

What are the primary connectivity options for the Microlab H21 speakers?

The Microlab H21 speakers offer wireless connectivity via Bluetooth technology, utilizing a CSR latest Bluetooth chipset. Additionally, they include a 2RCA input for wired connections.

What are the dimensions and weight of the speaker system?

The right speaker measures 4.5 x 7.7 x 7.9 inches, and the left speaker measures 4.5 x 7.4 x 7.9 inches. The total weight of the system is 10.36 lbs.

What is the effective wireless range of the Bluetooth connection?

The Microlab H21 speakers can maintain a connection with a paired device within a 30-foot range, providing flexibility in device placement.

What type of drivers are used in these speakers?

The system features a two-way design, incorporating 3.5-inch German patented woofers and a 1-inch Peter Larson silk dome tweeter with a Kurt-Muller dome diaphragm.

H21BK - Microlab H21 Wireless Bluetooth Bookshelf Speaker System w/ Versatile Connectivity & Real Wooden & Leather Finis

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Reviews for Microlab H21BK

$137.17