Brand NEW! Including 90 Days USA Factory Warranty. DS18's two channel hi/lo converter now comes with a convenient and easy to use digital bass enhancer. This device is great if you are wanting to add an external amplifier and subwoofer to your existing factory system for booming bass without having to replace your radio. Highlights ? Two channel level input converts your signal from your factory amps to enhance your bass output with an external sub and amp. ? Easy to tune with main level, bass, and bass enhancer knobs to reach your perfect bass frequencies that you are targeting. ? Bass enhancer that brings out even more bass where there once was very little, you will get more output. Maximum Speaker Level Input 400 watts per channel Maximum Preamp Output 9V rms Dash Level Remote Control +0db / - 19 dB Frequency response 10Hz-100kHz; + 1dB Total Harmonic Distortion 0.01% Signal To Noise Ratio 110dB Input Impedance 20K Ohms Output Impedance 150 Ohms Power Draw 150mA Recommended Fuse Rating 1 amp Features Speaker Level Input 2 channels Bass Enhancer with adjustable control of bass roll-off Selectable Auto ON Signal Sensing or remote in Remote Output Up to 150mA Dual Amplifier Outputs Main/ Bass output Level Matching Controls Main/ Bass output Level knob Dash Remote Level Control Included LED Indicators Power Clipping Measurements Overall Length 6.18" Overall Wide 3.22" Overall Height 1.25" Heatsink Length 539" Gross Sible Unit Weight 11 oz - All international buyers are responsible for all tax, duties and/or customs fees.