Audio input: stereo input various versions of the Bluetooth connection, using CSR8635 Bluetooth chip, Bluetooth V4.0, high software compatibility.

Output Impedance: 8 ohms Best(4,6,8,16 ohm impedance can drive speakers).

Output Power: Add pre-5532 output foot (powered 25V ,6-ohm impedance output 2 X 50W, 8 ohm impedance output 2X40W dual-channel).

TDA7492 digital amplifier chip, designed to optimize the circuit layout, the sound quality is very good, big power.