The amp is in excellent condition. DESCRIPTION ZX is pure KICKER power, ultimately developed to fuse with KICKER subwoofers and speakers for an incredible musical experience in any vehicle. But ZX power can be used with any gear in any installation - there's an option for every need. ZX-Series Amplifiers provide power in stereo, multi-channel, hybrid, or mono formats and are available in 20 different models, allowing plenty of options to exactly match any installation. DETAILS Class: Class AB Features: With Bass Control, With Crossover Number of Channels: 1-Channel RMS Power Rating: 300 watts Watts: 300 watts, 900 watts Model #: ZX300.1 GENERAL Product Type: Amplifier Maker: Stillwater Designs Width: 13.5" inches Depth: 9.6" inches Height: 2.1" inches AUDIO SYSTEM Signal-To-Noise Ratio · Continuous Power / Channel Qty · Amplifier Output · High Level Inputs · Crossover · Low Pass Frequencies · Bass Boost Frequency · Bass Boost Gain · Amplifier Class · Distortion Factor · Additional Features Signal-To-Noise Ratio95 dB Continuous Power / Channel Qty300 Watts x 1 Amplifier Output1-channel High Level InputsYes CrossoverActive crossover Low Pass Frequencies80 Hz Bass Boost Frequency40 Hz Bass Boost Gain0 to +12dB Amplifier ClassClass AB Distortion Factor1% Additional FeaturesBass Boost, subsonic filter