A300 vs DA9
The DA9's power @ 8ω is 50W against the A300's 85W, its signal-to-noise 111 dB against 103 dB, its power @ 4ω 90W against 165W, and its thd 0.003% against 0.004%.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower Amplifiers
Estimated price (community-sourced)
$130 - $167
Around — community and catalog average, updates slowly
About the A300
The SMSL A300 is a compact Class D stereo amplifier for passive speakers, delivering up to 165 watts per channel into 4 ohms or operating in bridged BTL mono mode at up to 330 watts. It accepts RCA, USB, and Bluetooth 5.0 sources, includes a remote control, and provides an RCA subwoofer pre-out with selectable high-pass filtering for use in a 2.1-channel system.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 85W @ 8Ω
- Power @ 4Ω
- 165W @ 4Ω
- Amplifier Class
- D
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 0.3V RMS
- Input Impedance
- 22000Ω
Analog Output
Analog signal output specifications
- THD
- 0.004%
- SNR
- 103 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB
- Analog Inputs
- RCA
- Analog Outputs
- speaker binding posts, subwoofer signal pre-out
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 210.5 × 41 × 198 mm (W × H × D)
- Weight
- 1.3 kg (3 lbs)
Key Specifications
Power: 85W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions