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Review: R&M Tone Technology PowerWire 20-Foot Audio Cable

The guys at R&M Tone Technology recently sent over their new 20-foot PowerWire audio cable.

The PowerWire is a 20-, 30- or 40-foot guitar cable with an embedded amplifier (gain options of 0-6 dB), solid strain-relief and long-life batteries to deliver a clean, flat boost from 20 Hz to 20 KHz. It's the first of it's kind in the music industry.

PowerWire, with its internal low-noise amplifier, provides a clean drive of the cable length and makes passive, ordinary cables of the same length sound dull in comparison. TS-09-style distortion effects are also available.

You can check out Guitar World's video review of the PowerWire below.

For more about R&M Tone Technology, visit

Paul Riario

Paul Riario has been the tech/gear editor and online video presence for Guitar World for over 25 years. Paul is one of the few gear editors who has actually played and owned nearly all the original gear that most guitarists wax poetically about, and has survived this long by knowing every useless musical tidbit of classic rock, new wave, hair metal, grunge, and alternative genres. When Paul is not riding his road bike at any given moment, he remains a working musician, playing in two bands called SuperTrans Am and Radio Nashville.