The Argon Audio SA1 MK2 power amplifier is a stereo amplifier featuring Class D technology and Bluetooth 5.0 connectivity with aptX HD and AAC for wireless music playback. It includes an MM phono input for a turntable, while the HDMI ARC input lets you connect it to a TV. The 32-bit ESS Sabre DAC operates on a fully balanced signal path from the converter to the speaker terminals.

The analogue and digital stages have separate power supplies. It features automatic power-on for all inputs except phono, as well as automatic input switching.

• Type: Power amplifier
• Channels: Stereo
• Amplifier technology: Class D
• Power at 8 Ω: 50 W per channel
• Power at 4 Ω: 100 W per channel
• Frequency response: 3–60,000 Hz
• THD: <0.03% (20–20,000 Hz)
• Bluetooth connectivity: Bluetooth 5.0, aptX HD and AAC
• Inputs: MM phono, HDMI ARC, optical digital, analogue RCA and USB
• Optical input resolution: 24-bit/192 kHz
• Outputs: Pre-out for a subwoofer or external amplification
• DAC: 32-bit ESS Sabre
• Power supplies: Separate supplies for the analogue and digital circuits, 6 in total
• Standby power consumption: <0.5 W
• Dimensions: 22 × 6.3 × 25.2 cm