GAM HSD-W 12inch and 15inch Home Audio Subwoofers, Incredibly Deep Bass and an Analog power Amplifier.

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), bass mode adjustment(Movie and Music)and an auto power switch for convenience.

Every family need a home theater system, and the suitable subwoofer speaker is almost important to get a perfect experience.

If you aren’t familiar with the powers of a subwoofer, you just aren’t getting the full audio experience.

A room filled with speakers can be nice. However, the subwoofer is the piece that puts the boom into your home theater room. It also puts you in the middle of the action, in the front row, and really creates a full, theater-like setup.

The subwoofer is also that one component in the audio setup that typically sticks out like a sore thumb. It sits next to your AV rack, your couch or somewhere else that’s sort of in the way.

Various interfaces to match your audio system

.Line (Low-Level) inputs

to connect to the pre-amp or line level outputs of the full range amplifier to the inputs of the subwoofer amplifier.The inputs are internally summed to mono.

.High-Level inputs

Used to connect from the speaker outputs of the full range amplifier or home theater receiver to the subwoofer amplifier with speaker wire. A mono signal derived from the stereo speaker to source which then feeds the subwoofer amplifier input.

.High-Level Outputs

provide a line level full range output for the connection of additional equipment. This output is audio signal output.