Check the listing for details. Fosi Audio 48V 5A 10A Power Supply Adapter For TB10D, BT20A PRO,V3,ZA3,V3 Mono. Color: Black, Condition: New. Listed at 59.99 USD. The 48V power supply unit is specifically designed for use with amplifiers and is ideal for providing reliable power to Fosi Audio amplifiers, such as BT20A Pro, TB10D, and V3 amplifiers. An amp's excellent performance is inseparable from the blessing of a high-quality power supply. This gallium nitride power supply unit has a power output of 240W, allowing your amps to be fully driven. The overload and over-temperature protection escorts you to enjoy music continuously and stably. With an exquisite body, excellent workmanship and outstanding energy efficiency, the 48V power supply unit will complement Fosi Audio’s high-performance mini amplifiers. Input: AC 100-240V Output: 48V/5A; 48V/10A Compatible Amps: V3, BT20A Pro, TB10D, V3 MONOThe 48V power supply unit is specifically designed for use with amplifiers and is ideal for providing reliable power to Fosi Audio amplifiers, such as BT20A Pro, TB10D, and V3 amplifiers. An amp's excellent performance is inseparable from the blessing of a high-quality power supply. This gallium nitride power supply unit has a power output of 240W, allowing your amps to be fully driven. The overload and over-temperature protection escorts you to enjoy music continuously and stably. With an exquisite body, excellent workmanship and outstanding energy efficiency, the 48V power supply unit will complement Fosi Audio’s high-performance mini amplifiers. Input: AC 100-240V Output: 48V/5A; 48V/10A Compatible Amps: V3, BT20A Pro, TB10D, V3 MONO