AS400 vs AL200
The AL200 matches the AS400 on power @ 8ω (85W), bit depth (32-bit), max sample rate (768 kHz), and power @ 4ω (165W).
AI-generated product photo — not official manufacturer imagery.
AmplifiersHeadphone AmplifiersPhono Pre-AmpsDACsIntegrated AmplifiersPre-Amplifiers
Estimated price (community-sourced)
$279
Around — community and catalog average, updates slowly
About the AS400
The SMSL AS400 is a compact, all-in-one Class D integrated stereo amplifier combining a speaker power amplifier, DAC, MM phono stage, preamplifier, headphone amplifier, Bluetooth receiver, and subwoofer output. It uses an Infineon MA5332MS power-amplifier module, Cirrus Logic CS43131 DAC, XMOS XU-316 USB interface, and JRC NJW1194A electronic volume-control chip. Connectivity includes USB, HDMI ARC, optical and coaxial S/PDIF, Bluetooth, RCA line input, MM phono input, and I2S. The amplifier is rated at 85 W per channel into 8 ohms and 165 W per channel into 4 ohms, making it suitable for compact or medium-sized stereo systems. The supplied official product and manual information indicate that the AS400 is an active, current model rather than a discontinued product.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 85W @ 8Ω
- Power @ 4Ω
- 165W @ 4Ω
- Amplifier Class
- D
- Minimum Impedance
- 4Ω
- Input Impedance
- 22000Ω
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 768 kHz
- DSD Support
- DSD256
- MQA Support
- Yes
- DAC Chip
- Cirrus Logic CS43131
Analog Output
Analog signal output specifications
- THD
- 0.003%
- SNR
- 107 dB
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- SBC, AAC, aptX HD, LDAC
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB-C, RCA line, optical (Toslink), coaxial, HDMI ARC, MM phono, Bluetooth, I2S
- Analog Inputs
- RCA
- Analog Outputs
- speaker terminals, RCA subwoofer line output, 4.4mm balanced headphone output, 6.35mm single-ended headphone output
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 210.4 × 46 × 254 mm (W × H × D)
- Weight
- 1.568 kg (3 lbs)
- Available Colors
- Aluminum alloy CNC-machined enclosure
Never published
- Phono Preamplifier — the maker never published this. Checked 30 sources on 9 Sept 2026
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