Check the listing for details. Stinger SPX700X4 Micro Amplifier 4-CH 700W for PowerSports/Marine Application. Condition: New. Listed at 249.00 USD. Welcome to the UpBeat Store, your ultimate destination for top-tier automotive aftermarket installations, covering both OEM and aftermarket radios with precision and finesse. With over 12 years of specialized experience, trust us to elevate your driving experience seamlessly.This fixed-price listing includes a Stinger SPX700X4 4 Channel 700 Watts Powersports Amplifier. Compact weather-resistant amplifier delivers massive power with minimal size, extreme durability built to withstand harsh powersports applications and beyond.Product Features and Specifications:Frequency Response: ± 1dB from 20Hz to 20kHzSignal to Noise Ratio: >110dBHigh and Low Pass Crossovers: 12dB per Octave Low Pass Crossover Range: 40Hz to 400HzHigh Pass Crossover Range: 40Hz to 400HzInput Range: 200 millivolts to 12 voltsTypical Efficiency: 80%Damping Factor: Greater than 200Recommended Fuse Size: 60 ampPower/Ground Wire Size: 8 GaugeDimensions: 206mm L x 120mm W x 41mm H8.1” L x 4.73” W x 1.6” HOptional*: Stream Bluetooth directly to the amplifier with a ISBT23 (NOT INCLUDED) weather proof BT receiver with 4v output.RMS Power (14.4Vdc ≤1% THD):125 x 4 @ 4 ohm Stereo175 x 4 @ 2 ohm Stereo125 x 2 @ 4 ohm Stereo +350 x 1 @ 4 ohm Bridged*(Rear Channels only) Lowest Recommended Load: 4 ohm Bridged* or 2 ohm Stereo Additional Notes We recommend having a professional certified technician handle the installation. For any questions or concerns about the product, please contact us through the "Contact Seller" feature for technical support or customer assistance.