GAM 12inch Home Audio Subwoofers, Incredibly Deep Bass and an Analog power Amplifier.

HSD-12JB Active Subwoofer Home Audio Speaker . The built-in, analog amplifier of the F Series subwoofer delivers ample power with the tone is naturally warm, especially in the mid to low frequencies where it is full and full-bodied.

This powered subwoofer speaker delivers 300 watts RMS of Class AB power with a 12-inch woofer driver, offering deep bass and flexible connectivity through RCA, LFE, HIGH LEVEL inputs and HIGHT LEVEL output. It features a durable MDF wooden cabinet, variable volume and crossover control, built-in phase adjustment (0 and 180 degrees), and an auto power switch for convenience.

CUSTOMIZED BASS:The F Series Home Audio subwoofer gain, low pass crossover, and phase controls ensure the low-frequency tones blend with other speakers and establish the ideal level of bass for your room.

With LINE IN/OUT;Phase 0-180 adjustment. LOW PASS FREQUENCY:40-150Hz to control. Level volume

With XLR Combo,3 PIN x2 connect.

With 400W peak Power.