Redeemer Beltpack Eliminates tone loss caused by your cables, effects and amps. Rollback your volume without tone loss. Transparent, flat frequency and phase response from 10Hz to 50kHz won't color your tone. Super high input-Z more than 20Mohms, great for all pick-ups, even piezo transducers. Great for studios, drive long cords to an amp in the iso room, while you perform in the control room Sturdy black anodized aluminum frame stays hidden on video shoots and clips onto your strap or fits in your pocket