SPL Crescendo 8, 8-Channel Microphone Preamplifier, With 120V technology, Gain continuously adjustable from +18 to +70 dB, Per channel switchable: 20 dB pad, 48V phantom power, phase reverse and high-pass filter at 120 Hz (6 dB/octave), VU-10 option to adjust the VU meter to very high levels, Outputs: XLR output per channel or all 8 channels via DB25 connector (TASCAM standard), Frequency response (at 30 dB gain): 20 Hz - 100,000 Hz, Maximum output level: 32.5 dBu, Equivalent Input Noise (150 ohms): -127.8 dBu, Dimensions (W x H x D): 482 x 132 x 300 mm, Weight: 9.5 kg