PowerBass XEQ-4BT 4 Band, 3 Zone, Bluetooth Power Sports Equalizer The XEQ-4BT 4 Band, 3 Zone, Bluetooth Equalizer is the perfect solution to take your UTV, Boat, or RV sound system from good to excellent by giving you dual 4 Band EQ control as well as a 3 zone output with Master Volume control. With built in Bluetooth connectivity, the XEQ-4BT becomes your source unit allowing full front panel control of track up or down as well as a the tri-color front panel selector so you can match the eq's illumination to your OEM or aftermarket lighting color. Switching through inputs is as easy as a turn of the knob with the front panel input selector; you can quickly cycle through your Bluetooth, Aux, or RCA inputs. Features - 4-Band Dual Zone Active Equalizer Bass, Mid-Bass, Mid, High 3 Zone Volume Control and Output Variable Master Volume Control Front Panel Selectable Inputs - Bluetooth, Aux, RCA Front Panel Tri Illumination Selector - Red, Blue, Green Front Panel Track Selector - Track Up / Down 6V RMS output Bi-Polar PWM Power Supply Frequency Response: 20Hz-40KHz Selectable 120/80Hz Subwoofer Crossover Conformal Coated PCB Specifications - Pre Graphic Frequency: 70Hz, 250Hz, 2kHz, 1.4kHz Inputs: switchable, 3-source RCA /3.5mm AUX/Bluetooth Equalization Boost/Cut: +/- 18dB Subwoofer Frequency Range: 20Hz - 120Hz Channel Separation: >75dB Maximum Output Voltage: 10Vrms Power Supply: 11-15V DC negative ground Height: 1.3" Width: 6.8" Depth: 4.2" Dimensions (in Inches): 1.3" x 6.8"x 4.2" S/N Ratio: >100dB Total Harmonic Distortion: 0.05% Frequency Response: 20 Hz - 40 kHz