DB Drive WDX PRO3000.1D : Mono Full-Range Class D Amplifier Enclosed Subwoofers the Alpine i407-WRA-JK does support

the Alpine i407-WRA-JK does support the SiriusXM SXV300V1 SiriusXM Tuner (sold separately) and you can utilize the factory installed SiriusXM antenna

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83V) 96 dB Mounting Hardware Yes Grille/Trim Ring Included Yes Shipping Weight 7

4 Liters) Vented Box Volume (Vb) 1

DB Drive WDX PRO3000.1D : Mono Full-Range Class D Amplifier Enclosed Subwoofers the Alpine i407-WRA-JK does supportFeatures ATC Audiophile RCA Connectors ACT Adaptive Crossover Technology High efficiency Class Full Range Class D Technology 4 Gauge Direct Connect Speaker Terminals 4 ga. Gauge Power Wire Inputs APC Audio Protection Circuit SESI Signal Evaluation Status Indicator Bass Remote with voltage , temperature and signal status indicator CHM Collective Heat Management Specifications ATC Audiophile RCA Connectors ACT Adaptive Crossover Technology High