<p><strong>Package Includes:</strong></p> <ul> (1) Alpine R-A75M 750 Watt RMS Mono Car Audio Amplifier Subwoofer Amp Class-D</li> (1) Rockville Go Party 6 Dual 6.5" Portable LED Party Bluetooth Speaker Mic Input</li> </ul> <p><strong>Description of R-A75M:</strong></p> <p>The R-Series amplifiers utilize Alpine's advanced amplifier platform that takes the classic Class-D amplifier circuit and adds dual post-filter feedback loops for unmatched accuracy and control. This technology., originally launched in the premium X-Series amplifiers,, produces efficient power with enhanced dynamic range, qualifying the R-Series amplifiers to be Hi-Resolution Audio compliant. </p> </p> </p> <p><strong>Features of of R-A75M:</strong></p> <ul> <li>Mono subwoofer amplifier</li> <li>Power Output</li> <li>500 watts RMS x 1 at 4 ohms (750 watts RMS x 1 at 2 ohms)</li> <li>CTA-2006 compliant</li> <li>Variable low-pass filter (50-400 Hz, 24 dB/octave)</li> <li>Variable bass boost (0-12 dB at 50 Hz)</li> <li>Variable subsonic filter (min-40 Hz, 24 dB/octave)</li> <li>Remote: RUX-KNOB.2 (Sold Separately)</li> <li>Preamp and speaker-level inputs</li> <li>Speaker wire to RCA adapter required for speaker-level input</li> <li>preamp outputs</li> <li>Fuse rating: 40A x 2</li> </ul> <p><strong>Specifications:</strong></p> <p><b>Power Specifications - Subwoofer Channel</b></p> <ul> <li>RMS Power @ 4 ohms: 500 watts x 1 channels</li> <li>RMS Power @ 2 ohms: 750 watts x 1 channels</li> </ul> <p><b>Power Specifications - Subwoofer Channel</b></p> <ul> <li>Peak Power @ 4 ohm: 1000 watts x 1 channels</li> <li>Peak Power @ 2 ohms: 1500 watts x 1 channels</li> </ul> <p><b>Amplifier Specifications</b></p> <ul> <li>Number of Channels: 1 - Mono</li> <li>Total Peak Power Output: 1000 watts</li> <li>Total RMS Power Output: 750 watts</li> <li>Maximum Input Gauge Size: 4 AWG</li> <li>Minimum Impedance Unbridged: 4 ohms</li> <li>THD+N &lt; 002% (ref. 1W into 4ohm)</li> <li>S/N ratio: &gt; 85dB (ref. 1w into 4ohm)</li> <li>Speaker Level Inputs: Optional (Requires Accessory Adapter)</li> <li>Preamp Outputs: Mono output</li> <li>Built-in Crossover: Low-Pass (LP)</li> <li>Subsonic: Low-Pass Crossover Frequency: 50 - 400 Hz</li> <li>Subsonic Filter: 10 - 400 Hz (+/- 3dB)</li> <li>Damping Factor: &gt; 1500</li> <li>Bass Boost: 0 - 12 dB</li> <li>Fuse Rating: 40A x 2</li> <li>Total Fuse Rating: 80</li> <li>Hi-Res Certified</li> </ul> </ul> <p><strong>Features of GO PARTY 6:</strong></p> <ul> <li>Goes extremely loud and has great bass</li> <li>7 LED modes that go to the music + side panel LED's project a cool effect into an entire room</li> <li>(2) High power 6.5" woofers for mids and bass</li> <li>Tweeter with horn for clear highs</li> <li>600 Watts peak / 150w RMS</li> <li>7.4V 4,400 mAH battery</li> <li>Battery life: 3 hours at 80% volume, 5 hours at 50% volume, or 8.5 hours at 25% volume</li> <li>Bluetooth music streaming with any smartphone, tablet, device, etc</li> <li>Built In Bluetooth, USB, Memory card playback</li> <li>Perfect for