Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
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WH-25/WH-50 Impedance Matching Stereo Volume Controller


● Rated power: 25W/50W
● Minimum impedance capability of amplifier: 4-8Ω
● Appropriate bridge clip setting (1x, 2x or 4x)
● Rotary switch with stopper, 5 volume levels, 1 off position
● Rectangle, elegant and compact design
● Can run multiple pairs of speakers

  • Introduction
  • Specification

WH25/ WH50 is a wall mounted impedance matching stereo volume control, which connects between the speaker level output of an amplifier, receiver or speaker selector and a pair of speakers. The volume control is designed to run multiple pairs of speakers without damaging your amplifier or receiver. The adjustment is made by using bridge clips that can be easily replaced.

Technical data



Rated power



Component set

Rotary switch with stopper, 5 volume levels, 1 off position

Install depth


Dimension (W*H*D)


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  • Address:Jianggao Town, Baiyun District, Guangzhou, China