Amptweaker Bass TightFuzz JR Mini, Effects pedal for electric bass, Bass fuzz, Switchable Silicon / Germanium transistor circuit, Mini version of the TightFuzz, Flexible fuzz tones for bass, From clean germanium sounds to heavy silicon fuzz, Dry low knob to blend with distortion, Electric guitar input impedance works with all effects pedals, Thumbscrew-removable bottom plate for easy access to the battery, True bypass, Controls for: fuzz, tone, volume, and dry low, 3-Way EQ switch (60's / 70's / Now), 3-Way tight switch: Fat / Normal / Tight, Germanium / Silicon switch, Bypass footswitch, Status LED, Metal housing, 6.3 mm Mono jack input / output, Power supply via 9V battery or optional 9-18V DC power supply (2.1 x 5.5 mm, coaxial power connector, negative polarity (-) inside), Power consumption: 11 mA for 9V / 15 mA at 18V, Dimensions (W x D x H): 69 x 118 x 51 mm, Weight: 255 g, Handmade in the USA@+*Note:* Register your product at www.w-distribution.de/Warranty to extend the warranty to 4 years.@+@+