A12 vs A100
The A100's signal-to-noise is 103 dB against the A12's 102 dB. Both share power @ 8ω (40W), power @ 4ω (80W), and thd (0.005%).
AI-generated product photo — not official manufacturer imagery.
AmplifiersIntegrated AmplifiersPower AmplifiersDACs
Estimated price (community-sourced)
$79 - $90
Around — community and catalog average, updates slowly
About the A12
The SMSL A12 is a compact class D stereo power amplifier with an integrated USB DAC and Bluetooth 5.0 receiver. It is designed for desktop and small home audio setups, offering treble and bass adjustment, driver-free USB audio, U-disk playback, and protection circuitry in an all-aluminum CNC-machined enclosure. Manufacturer and manual sources indicate it uses a German Infineon class D amplifier chip and supports aptX over Bluetooth.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 40W @ 8Ω
- Power @ 4Ω
- 80W @ 4Ω
- Amplifier Class
- D
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 0.2V RMS
- Input Impedance
- 40000Ω
Digital Audio
DAC capabilities and digital audio processing
- DSD Support
- none
- MQA Support
- No
Analog Output
Analog signal output specifications
- THD
- 0.005%
- SNR
- 102 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- aptX
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB
- Analog Inputs
- RCA, LINE IN
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 139 × 35 × 127 mm (W × H × D)
- Weight
- 0.382 kg (1 lbs)
Key Specifications
Power: 40W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions