MB QUART RA1-750.1 750W Mono Car Amplifier (1-Ohm Stable) with Rockville Go Party D4 LED Bluetooth Speaker

Package includes: MB QUART RA1-750.1 750 Watt Mono Amplifier (1-Ohm stable) with Bass Remote, plus Rockville Go Party D4 large portable LED Bluetooth speaker. Also included with the Go Party D4: USB Type-C charging cable, 3.5MM to 3.5MM aux cable and owner's manual. MB QUART RA1-750.1 specifications: - Weight: 7.35 lbs. - Dimensions: 18.5 × 8.5 × 4 in. - Color: Black - Warranty: 1 Year - Compatible Vehicles: Universal - Amp Class: Class Q1 Mono (Class D) - Total Channels: 1 - Max Power (watts): 750 - Power @ 1 Ohm (ch x watts): 1 x 750 - Power @ 2 Ohms (ch x watts): 1 x 500 - Power @ 4 Ohms (ch x watts): 1 x 300 - Crossover: Electronic - Variable Low Pass Crossover 12dB per Octave: Variable 50Hz-250Hz - Bass Boost: 0-12dB - Subsonic Filter: OFF/25Hz - Variable Voltage: 0.02-9V - Signal to Noise: > 99dB - Frequency Response: 25Hz-250Hz - Total Harmonic Distortion (THD): < 0.07% - Speaker Level Audio Inputs: RCA - Power Terminal 12v/GND: 4 AWG - Speaker Terminal Wire Gauge: 12 AWG - Fusing: 80A External Rockville Go Party D4 key features and performance: - Extra Large loud portable Bluetooth speaker boombox with LED lighting; designed for deep bass and high overall volume - IPX5 water resistant for outdoor use - TWS (True Wireless Stereo) linking for two-speaker stereo - 3 Beat-Sync LED party modes (LED lights can be turned off) - RMS Power: 30 Watts - Driver configuration: (2) 3.5" drivers + 2 passive radiator subwoofers for enhanced bass - Bluetooth 5.0 chipset - Built-in USB playback (supports up to 128GB) - Supported file formats: MP3/WAV/WMA/FLAC - 3.5MM aux input - Battery: 7.4v/4400mAh Lithium-ion - Charge time: 8 Hours (0 to 100) - Play time: 100% volume: 8.5 hours; 50% volume: 18 hours; Low Volume: 30 hours - Charges via included Type-C cable - 5 LED battery life indicators This bundle pairs MB QUART's high-output RA1-750.1 mono amplifier—capable of driving subwoofers down to 1 ohm—with the Rockville Go Party D4 portable speaker for powerful, portable bass and party-ready lighting.