Same chassis, same 60W×2/8Ω power spec — different generation. Original WiiM Amp (B0CGCLXH4H) is the only current WiiM Amp with AirPlay 2. The Pro (B0DFPJ91ZX) has better DAC (ES9038Q2M), PFFB feedback loop, THD+N <0.0005%, SNR >120 dB, Roon Ready, Wi-Fi 6E. Deep engineering comparison.
