Railtones subwoofer provides additional bass support. Plugs into the wall and connects wirelessly to the railtones transmitter. Includes 4" driver. Railtones remote will also control volume on the subwoofer.
2 black anodized aluminum vented voice coil former High-temp TIL voice coil former Lightweight cone for increased efficiency Improved suspension & coil design for PR15V2 models Tough rubber top gasket High-strength wide roll surround