The THROTTLE BOXâ"¢ Distortion serves up all genres of ROCK with cut and aggression, but retains the signature warmth and organic sonic quality found in all our instruments. While its main strengths lie in higher-gain sounds, itâ€TMs also versatile and the lower gain options shouldnâ€TMt be overlooked for classic rock or howling blues. It also features a unique Mid Cut that scoops out midrange to produce the signature Boogie â€œVâ€ EQ-curve that so many artists have employed in our amps to create the worldâ€TMs heaviest guitar tones! Â PRODUCT FEATURES: Â Designed and Hand-Built in Petaluma, California, USA True Bypass On/Off Switching - Bypasses all circuitry when off to ensure no tonal loss Gain Control allows you to dial in the perfect amount of classic to modern high-gain Lo/High Gain Switch provides classic crunch to modern meltdown Master Level Control provides a variable range of signal boost up to +20db Tone Control balances the amount of high frequencies Mid-Cut Control provides powerful mid-scoop for modern high-gain styles Internal EQ-Boost Switch provides added style/voicing option On/Off Status LED 9V Battery Powered or optional AC Powered via External Power Jack Input Input & Output Jacks (Nominal Input -20 db) Â SPECIFICATIONS Â Dimensions (W/D/H): 2.87" x 4.77" x 2.28" (73mm x 122mm x 58mm) Weight: 0.865lbs (393g) with battery, 0.765lbs (347g) without battery True Bypass Switching Battery Type: 9VDC (one) Power Consumption (Current Draw): 9VDC/25mA AC Adapter (Optional): Power Jack 2.1mm x 5.5mm, 9VDC with Negative Center (Regulated Recommended) Input Impedance: 1M Ohm (500k Ohm minimum) Output Impedance: 10k Ohm Â TERMS: Â Mesa/Boogie products are ONLY available for US shipping, must be a US resident. Â Shipping charges apply â€" Please see shipping calculator for quote.