The EX202/2170 DSP Digital 2.1 Stereo TWS Amplifier Board is equipped with a high-performance 32-bit processor. It supports ADC and DAC sampling rates of 48K for both input and output.
Audio effects algorithms support: noise reduction, 3D stereo surround sound, wide field, high-frequency excitation, PEQ equalizer, DRC dynamic limiter, phase delay, online computer tuning, and OTA firmware upgrades.
Input support: onboard Bluetooth decoding input, USB lossless sound card input, USB drive input, and aux 3.5mm analog audio input.
Dual-mode Bluetooth V5.0, compatible with Bluetooth V4.2 and V2.1+EDR, supporting Bluetooth Piconet and Scatternet networking protocols. Maximum transmission power is 10dBm, supporting protocols such as A2DP, AVRCP, HFP, OPP, HID, SPP, PBAP, GATT, SM, etc.
Power supply: supports voltage input from 6V to 26V, current from 3A to 10A.
Power output: 2.1 channel output. High-power output (standard impedance of 4 ohms for left and right channels, 2 ohms for subwoofer, 70W x 2 + 140W).
