SA300 vs AD18
The AD18's power @ 8ω is 45W against the SA300's 40W, its bit depth 24-bit against 32-bit, and its max sample rate 96 kHz against 384 kHz. Both share power @ 4ω (80W).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
AmplifiersIntegrated AmplifiersPower AmplifiersDACsDiscontinued
Estimated price (community-sourced)
$95
Around — community and catalog average, updates slowly
About the SA300
The SMSL SA300 is a small desktop stereo amplifier aimed at compact hi-fi systems. It combines a class D power stage based on Infineon MERUS MA12070 technology with a built-in USB DAC, Bluetooth 5.0 with aptX support, analog RCA input, and a subwoofer pre-out for building a 2.1 system. It also includes multiple EQ presets, bass/treble adjustment, LCD display, remote control, and an aluminum CNC-machined chassis.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 40W @ 8Ω
- Power @ 4Ω
- 80W @ 4Ω
- Amplifier Class
- D
- Minimum Impedance
- 4Ω
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 384 kHz
- DAC Chip
- Infineon MERUS MA12070
Analog Output
Analog signal output specifications
- THD
- 0.008%
- SNR
- 90 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- aptX
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB
- Analog Inputs
- RCA
- Analog Outputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 70 × 70 × 155 mm (W × H × D)
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