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Sony SA-WM20

Powered subwoofer

Item #: 158SAWM20

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Sony SA-WM20

Overview

Our take on the Sony SA-WM20

Compact, and super-affordable, Sony's SA-WM20 is an easy way to add some extra bass to just about any home theater or music system. It features a built-in 50-watt amplifier and a 8" long-throw woofer for solid, punchy lows. A phase switch and crossover control let you easily match the SA-WM20's output to your other speakers. Nice features, great price!

Compact, and super-affordable, Sony's SA-WM20 is an easy way to add some extra bass to just about any home theater or music system. It features a built-in 50-watt amplifier and a 8" long-throw woofer for solid, punchy lows. A phase switch and crossover control let you easily match the SA-WM20's output to your other speakers. Nice features, great price!

Details:

  • 50-watt amp
  • 8" long-throw woofer
  • frequency response 28-200 Hz
  • continuously variable 50-200 Hz low-pass crossover
  • speaker-level inputs
  • line-level input
  • phase switch
  • black vinyl finish
  • 10-5/8"W x 12-3/4"H x 15-1/8"D
  • warranty: 1 year

What's in the Box:

  • 1 Powered subwoofer
  • One 6.5' Single RCA cable
  • Two 8' lengths of speaker wire
  • Operating Instructions
  • Warranty sheet
  • Important safeguards
  • Owner Registration Card
Reviews

Sony SA-WM20 Reviews


Details

Hands-on research

What's in the box?

Download the Sony SA-WM20 manual

  • 1 Powered subwoofer
  • One 6.5' Single RCA cable
  • Two 8' lengths of speaker wire
  • Operating Instructions
  • Warranty sheet
  • Important safeguards
  • Owner Registration Card

Product Research

Features
Controls
Inputs and Outputs

Features

Advanced SAW Design: Combining a specialized speaker for deep bass with a built-in amplifier to provide power, this component features Sony's patented subwoofer design. In addition, this Super Acoustically Loaded product provides bass all the way down to the lowest musical frequencies (28 Hz) from a compact cabinet.

Woofer: The SA-WM20 has a 8" long-throw woofer for deep, accurate bass.

Amplifier: The 8" long-throw woofer is powered by a 50-watt amplifier.

Surround: For a smoother response and improved durability, the woofer uses a rubber surround.

Bass Port: There is a front-firing bass port for improved bass response.

Controls

Front Panel:

  • Power Button: turns the subwoofer amplifier on or off
  • Level Control: rotary subwoofer level control
  • Cut Off Frequency: variable low-pass crossover adjustable from 50-200Hz
  • Phase Switch: allows you to select normal or reverse for best bass
  • Power Indicator: illuminates in green when the subwoofer is receiving power

Inputs and Outputs

Back Panel:

  • Line In: one RCA pre-amp level input 
  • Speaker-Level Input/Speaker-Level Output: spring clips for speaker-level input and output

Our Product Research Team

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