Front Adjustable EQ Band Frequencies: 125 Hz, 500 Hz, 3.5 kHz, 12 kHz Rear Adjustable EQ Bands Frequencies: 50 Hz, 600 Hz, 6.3 kHz Switchable Subwoofer Filter 32 Hz - 128 Hz, Frequency Response 10 Hz - 15 kHz Inputs: Dual 2 Channel Source. Outputs: Front, Rear & Sub. Fader Control Gain / - 18 dB, Maximum Input Voltage 15 Volts, Maximum Output Voltage 8 Volts Signal to Noise Ratio > 100 dB, Channel Separation 20 dB, Total Harmonic Distortion 0.050 Dimensions: Depth 4.6" x Width 7" x Height 1" 1 Year Warranty 7 Bands RCA Input; Subwoofer output Subwoofer level control; Preamp/amplified, Preamp Night illumination Subwoofer Level Control Front panel controlsView larger InstallationView larger Installation Set your source volume at a position between 6 o’clock and 9 o’clock, and leave it at this setting. Always use the AVA1210 volume control as a master main volume control. It has better electronics, higher signal to noise ratio and is more linear than any source unit volume control available. If engine noise is audible, check the ground connection on all units and in the audio system. Features Volume control with up to 8 volts RMS of outputSeven band equalizer with 18 dB boost/CutSpecific bandwidth for each bandLow noise BI-FET op-amp design yields minimum distortionOn-board 30 volt BI-Polar switching power supplySubwoofer outputs and level controlsSubwoofer frequency selection switch (32Hz/64Hz/128Hz)Input selector for AUX or CDUniversal half-DIN chassis for ease of installationGold plated RCA input/output connectors20 dB headroom eliminates signal overloadBlue light illumination Specifications Frequency bands: Front channel – 125Hz, 500Hz, 3.5kHz, 12Khz / Rear channel – 50Hz, 600Hz, 6.3kHzBoost/Cut: /-18 dBSignal to noise ratio: 110 dB ref 1 volt inputFrequency response: 1Hz – 15kHz, /-1 dBMaximum output voltage: 8 volts RMSTotal harmonic distortion: 0.05%Input sensitivity: 150mVHeadroom: 20 dBInput impedance: 10k OhmsStereo separation: 82 dB/1kHzOperating voltage: 11-15 volts negative groundOutput impedance: 50k OhmsDimensions: 1” x 7” x 4-9/16” / 27.5mm x 178mm x 115mm