Check the listing for details. Xotic SP Compressor Effects Pedal. Condition: New. Listed at 147.00 USD. Xotic SP Compressor Effects Pedal Description The Xotic SP Compressor offers the same OTA (operational transconductance amplifier) technology used in what many guitar players consider the best compressor ever, the Ross Compressor. Xotics new SP Compressor has superb tone quality featuring a wide variety of compressor tones from vintage, to subtle, to modern and more. Its super flexible and features a dry blend knob, up to +15dB of boost and an internal dip switch for attack control. This compact design is a powerful tool for the working musicians. True bypass for eliminating any signal interference when switched off. Can be used with AC adaptor (optional) or 9V Battery. Features Based on the famed Ross compression circuitBlend control adds the unaffected tone back inInternal dip switches further dial in your toneSettings for hi, mid, and lo compression settingsTrue bypass switching Attributes Color: BlackTechnical Specifications Effects: CompressorProcessing Type: AnalogInputs: 1 x 1/4"Outputs: 1 x 1/4"Features: Battery-PoweredPower Source: 9V DC power supply sold separatelyDimensions: 1.5" H x 1.5" W x 3.5" DWeight: .57 lbsBatteries: 1 x 9VPower Usage: 5mA