. Fosi Audio MC351 2.1 Channel Integrated Amplifier With DAC, VU Meter And Bluetooth Description All-in-One DAC Amplifier: The MC351 integrated amp features high-resolution decoding capabilities, supporting Bluetooth, USB, Optical, and Coaxial digital inputs. With its extensive input and output options, you can easily set up a 2.1 home theater or other stereo HiFi audio systems. High Power with Great Sound: Equipped with two high-end Texas Instruments TPA3255 Class-D amplifier chips and a 100-fin heatsink, the MC351 can stably output up to 165W x 2 + 350W power in a 2.1 channel setup. The dual PCBA separated design ensures that the input and output signals do not interfere with each other, providing you with the purest and most impeccable sound quality. User-Friendly Control Design: Supports one-touch switching between 5 input modes and includes bass and treble controls, with central detents for tone defeating, for easy sound customization. It also features an automatic standby function, entering standby mode after 2 minutes of no signal input to effectively reduce power consumption. Vintage Charm: The eye candy round mini VU meter adds a classic retro vibe to your sound system. The needle of the level meter will dance to the music, providing you with both visual and auditory enjoyment. The MC351 is an excellent companion for turntables, allowing you to relive classic tracks. Exquisite Craftsmanship: Featuring an all-aluminum-alloy CNC integrated design and a finely sandblasted metal finish, the MC351 boasts a seamless body with no visible screws, showcasing minimalist aesthetics. The all-metal body ensures durability, and you can enjoy the peace of mind provided by Fosi Audio's 24-month warranty. Specifications Output Power: 165W x 2 + 350W @ 4Ω Terminating Impedance: 4-8Ω Input Mode: Bluetooth 5.3+RCA+COA+OPT+USB Output Mode: SPK OUT+SUB OUT+3.5mm PRE OUT Frequency Range: 20Hz - 20KHz(±0.1dB) THD: ≤0.03% SNR: ≥100dB Device Dimension: 13.82 x 9.21 x 3.62 inches DC Input Range: 24-48V Sampling Rate: USB24bit/96kHz ; OPT/COA 32bit/192kHz Power Supply: 32V/5A, 48V/5A What's in the Box 1 x MC351 Power Amplifier x 11 x 1 x 32V/5A Power Adapter 1 x User’s Manual x 1n