Acoustic Image Flex Pre 670 PR, 2-Channel Preamp with Effects, Extended Frequency Response - High Fidelity Sound, Compact design, Separate XLR and jack inputs for each channel that can be used simultaneously, 48 V Phantom Power and 10 dB Gain Select for the microphone input, Input volume control for each channel, 4-Band EQ for each channel, Switchable phase reversal and low cut filters for each channel, One effect loop, reverb and delay effects per channel, Direct-Out with 10 dB button, Pre/Post switch, Ground lift, Headphone output, Limiter, Mute switch, Mono and stereo output from the preamplifier section, Low Noise operation: 110 dB SNR at the Direct-Out, Powered by Acoustic Image Flex Cab (not included) via Cat5 cable or the supplied AC adapter to use the preamp individually, Weight: approx. 1.14 k