wiim amp chpset confirmed class-D amplifier chip is TPA3255. same as aiyima A07 and Fosi Audio bt20a : r/BudgetAudiophile

AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D

AIYIMA Audio A07 PRO TPA3255 Bluetooth Power Amplifier 2.0 Stereo

AIYIMA A07 - US Warehouse Ship

AIYIMA A07 TPA3255 vs Fosi Audio BT20A, Product Comparison

AIYIMA A07 TPA3255 vs Fosi Audio BT20A, Product Comparison

AIYIMA A07 - US Warehouse Ship

AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Stereo

AIYIMA A07 - US Warehouse Ship

AIYIMA A07 - US Warehouse Ship

AIYIMA A07 TPA3255 Review (Amplifier)

AIYIMA A07 TPA3255 Review (Amplifier), Page 31

WiiM Amp, Page 3

AIYIMA A07 - US Warehouse Ship

AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D

AIYIMA A07 Pro TPA3255 Stereo Amplifier Bluetooth 5.2