PSS-SX01 includes two enclosed 6.5 Car Speakers, a grille-mounted, 1" teteron dome tweeter, and one 4-channel amplifier all weather-resistant against the elements. Stream music directly from your smartphone without a radio or head unit source with the included Bluetooth® Adaptor. The grille-mounted, 1" teteron dome tweeter captures the highs of your music, so you can listen with clarity, even while driving. The 6.5 Car Speakersare built for off-road performance, powered by a compact, 4-channel amplifier that utilizes Alpine's exclusive Dynamic Peak Power (DPP) technology. The weather-resistant speaker pods are made from rugged, durable fiberglass, finished in a matte black coating that replicates the look of your Side-by-Side and comes with a weather-resistant plug for wiring your speakers. The included clamps are durable, with a rotating aluminum base that can adjust up to 90-degrees for an optimal listening experience and is coated for protection against the elements. The PSS-SX01 has a universal floating-style clamp that fits 1.5-2" rails on a variety of Polaris, Honda, Kawasaki, Can-Am, and Yamaha Side-by-Sides. Features: 6.5” 2-Way Mid Bass Drivers KTA-30FW 4-Channel Weather-Resistant Tough Power Pack Amplifier KCX-BT01 Weather-Resistant Bluetooth® Adaptor ASA 978 B+ Fiberglass Speaker Pod with Folding-Style Clamp *Additional speaker and power wire may be required for installation. Enclosed 6.5” 2-Way Speakers 1” Teteron Dome Tweeter Rated IP55 Weather-Resistant Steel Frame Alpine’s Class D Amplifier with Dynamic Peak Power (DPP) 4-Channel Power Pack Amplifier CTA-2006-B Compliant Amplifier 2ch/4ch input (selectable) 12V Weather-Resistant Bluetooth® Adaptor Complete Wireless Connections Bluetooth® 4.0 Built-In Line Driver for 3x Voltage Output Music Signal Remote Trigger Output ASA 978 B+ Fiberglass Pro-Style Folding Style Clamp that will fit 1.5"-2" Rails. Rotating Coated Aluminum Base 90-Degree Plug with 20AWG Pigtail ASA 978 B+ Fiberglass Speaker Pod Output RMS Peak 90W 225W Impedance 4Ω Frequency Response 50-22kHz Material Santoprene Voice coil 25mm Weather-Resistant Rated IP55 Alpine’s Class D Amplifier with Dynamic Peak Power Output RMS Peak 75W x 4 (2Ω/4Ω, 14.4V, 1% THD+N) 150W x 4 (2Ω/4Ω, 14.4V, 1% THD+N) Weather-Resistant Rated IP66 S/N (ref. 1W into 4Ω) 85dB THD (ref. 1W into 4Ω) >0.01% Frequency response (+/- 1dB) 20-20kHz Speaker/RCA inputs (Selectable, High range=0.5-10V, Low range=0.2-4V) Sound Control: Crossovers Off/Hp/Lp, Fc=50-400Hz @ -12dB/Oct. (variable) Input gain settings (variable); 2ch/4ch input (selectable)