Product description Solid Power to Your Theater System M04 Subwoofer Amplifier Fill your device with the throbbing bass you want. Play low frequencies without distortion, and provide clean power. Fine tunes the volume level signal you wish to control. Improving the bass and the power of your. TPA3116 Chip Wide input range and. Switching Between Modes There is a for changing modes the subwoofer amplifier M04. PBTL defines it as a Full-Frequency Mono amp for driving passive speakers. To SUB, it' subwoofer amplifier with passive subwoofers. DIY Your System Creating a professional sound system is easy with this mono amplifier. You can use this amp to drive bookshelf speakers or subwoofers in your. From the brand Amplifying Your Voice, Shaping Our Innovation Guided by our of "Redefining HiFi with Unmatched Value", continues to its passion for the Hifi industry, ramp up R&D efforts, and co-create HiFi equipment with users. We to bring amazing Hifi gear with high value for the price, innovative design, - technology, and, to philes worldwide.