Fosi Audio DA2120A Bluetooth Amplifier Stereo Receiver 2 CH Audio Wireless Amp, DAC SPDIF Hi-Fi Compact Mini Integrated Class D Power Amp

【Multiple Funtions】Supports USB, Optical, Coaxial, 3.5mm AUX and Bluetooth 5.0 apt-X input, Infrared receive & OLED display. Note: It is highly recommended that you use this amplifier on a 4ohm speaker. 【Hi-Fi Performance】Adopt Bluetooth QCC3031 & USB CM6642 chips, support aptX, aptX HD & 24bit/192Khz audio; High gain antenna for long range streaming up to 65 ft(20m). 【Great Sound】Class d amp 50Watt x2@4ohm power with low-pass subwoofer output can drive most home speakers, TI NE5532 operational amplifier cores to ensure sound quality. 【Remote Control】Multifunctional remote control for home wireless use with bass and treble control, inputs selector, EQ, mute, loudness setting, etc. Specifications Specifications Details Model DA2120A Output Power 50W + 50W @4Ω Terminating Impedance 2-6 ohm (Recommended 4ohm) Input Mode Bluetooth 5.0 support aptX, AUX, USB, Optical, Coaxial Output Mode Passive Speakers + Active Subwoofer Frequency Range 20Hz - 20kHz THD ≤ 0.01% SNR ≥ 105dB Input Sensitivity ≤ 280mV USB Input Sampling Frequency 192kHz/24Bit Optical/Coaxial Input Sampling Frequency 192kHz/24Bit USB System Supported XP/W7/W8/W10/MAC/Linux Bluetooth Transmission Distance 65ft Bluetooth Name FOSI AUDIO Device Dimension L134*W130*H34mm Power Supply 24V/4.5A What‘s in the box？ Item Quantity DA2120A Amplifier x 1 24V 4.5A Power Supply x 1 Remote Control x 1 USB Cable x 1 Optical Cable x 1 AC Cord x 1 User’s Manual x 1 DA2120A User Manual   You can also view other models:DA2120B+24V Bluetooth Amplifier 2CH 100W x2DA2120C+32V Bluetooth Amplifier 2.1CH 120W x2DA2120D+24V Bluetooth Amplifier 2.1CH 100W x2