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Pair of white wooden bookshelf speakers with leather trim, compact rectangular cabinets and front-facing drivers

Microlab

Microlab SP-H21WH 2.0 Bluetooth 2.1 speaker 66W white

SKU CH-SHY8-9VKEG MPN SP-H21WH

A 2.0 Bluetooth 2.1 speaker pair delivering 66 W total power with 3.5 inch woofers and 1 inch silk dome tweeters for 50 Hz to 20 kHz response

  • Channel configuration2.0
  • Total wattage66 W
  • RMS power per satelliteAmplifier: 18 W x 2RMS
  • Subwoofer RMS powerTweeter: 10 W Woofer: 20 W
  • Driver unitWoofer drive unit: 3.5 in Tweeter drive unit: 1 in
  • Frequency range50 Hz - 20 kHz
  • 66 Watt total power fills rooms with sound
  • Bluetooth 2.1 streams audio wirelessly from devices
  • Two-way design with 3.5 inch woofer and 1 inch tweeter covers 50Hz to 20KHz
  • Wooden cabinets with leather finishing suit desktop spaces
  • Includes RCA and 3.5mm cables for wired sources

White 2.0 Bluetooth speaker system

The Microlab SP-H21WH is a 2.0 desktop speaker pair delivering 66 W total power from two wooden cabinets finished in white leather. Each cabinet houses a 3.5 inch German-patented woofer and a 1 inch Peter Larson silk dome tweeter with a Kurt-Muller dome diaphragm. Bluetooth 2.1 connectivity uses a CSR chipset supporting A2DP and AVRCP profiles for wireless streaming.

Upgrade from basic monitor or laptop audio

This system replaces integrated monitor speakers or single-piece sound bars that lack stereo separation and low-frequency authority. The two-way driver arrangement and 50 Hz to 20 kHz frequency response add audible bass weight and clearer treble detail. The jump is worth it when you want true left-right imaging and a dedicated amplifier rated at 18 W RMS per channel without adding a separate subwoofer.

Handles near-field music, films and gaming

At typical desk distances the 66 W output and >70 dB signal-to-noise ratio provide clean volume for music playback, movie dialogue and game effects. The 3.5 inch woofers reach down to 50 Hz, so electronic bass lines and explosion rumble remain present, though deep sub-bass below 50 Hz is not reproduced. Analogue RCA and 3.5 mm inputs are included for wired sources when Bluetooth is not preferred.

How it compares

Measured against everything we stock in Desktop Speakers & Soundbars, at today’s prices. Recalculated every night.

Price $84.99
Pricier than about 81% of the 838 comparable items (median $40.99).

Specifications

Product
Brand nameMicrolab
Model nameSP-H21WH
Audio & video
Channel configuration2.0
RMS power per satelliteAmplifier: 18 W x 2RMS
Driver unitWoofer drive unit: 3.5 in
Tweeter drive unit: 1 in
Frequency range50 Hz - 20 kHz
Rated impedanceTweeter: 4 ohms
Woofer: 8 ohms
Signal-to-noise ratio> 70 dB
Power
Total wattage66 W
Subwoofer RMS powerTweeter: 10 W
Woofer: 20 W
Power supplyAC 100 V-240 V, 50/60 Hz
Size & build
MeasurementsRight: 7.9 in × 7.7 in × 4.5 in, Left: 7.9 in × 7.4 in × 4.5 in
Product weight10.36 lb (4.7 kg)
Shipping weight5.22 kg
Package size335 × 241 × 236 mm
In the box
In the boxH21 speakers x 2 pcs
Speaker interconnect cable, 3 m
AC power adapter
3.5 mm stereo to 2RCA cable, 1.8 m
User manual

Questions about this item

How much desk space do the right and left cabinets each need?

The right speaker measures 7.9 by 7.7 by 4.5 inches and the left 7.9 by 7.4 by 4.5 inches so allow at least that footprint per cabinet.

What cables must be connected before the system will play sound?

Link the two cabinets with the supplied 3 metre interconnect cable, plug the DC 18 V power adapter into the right unit, then pair a source via Bluetooth 2.1 or use the 1.8 metre 3.5 mm to RCA cable.

Which driver specifications should I check if the tweeter or woofer later needs replacement?

The tweeter is a 1 inch silk dome rated at 10 Watt and 4 ohms; the woofer is a 3.5 inch unit rated at 20 Watt and 8 ohms.

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