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Item #:
199652728
S.M.S.L AS400 HiFi Power Amplifier with Built-in DAC - 165Wx2 Stereo smsl Amplifier for Home Audio, Bluetooth LDAC aptX HD, HDMI-ARC, MM Phono,
Item #:
199652728
MWK 820721
Price Details
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Imported from USA store
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S.M.S.L AS400: Your All-in-One Hi-Fi Audio Hub
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What Stands Out
High Power Output
Delivers 165W per channel, ensuring powerful audio performance for home setups and immersive sound experiences that elevate music and movie enjoyment.
Advanced Connectivity
Equipped with Bluetooth LDAC and aptX HD for high-resolution streaming, plus HDMI-ARC for easy integration with modern TVs and devices, enhancing versatility and user convenience.
MQA Support
Supports MQA technology for high-fidelity audio playback, allowing listeners to experience studio-quality sound, making it a perfect choice for audiophiles seeking premium audio solutions.
Product Details
| Product Dimensions (L x W x H) | 10 x 8.28 x 1.81 inches (25.4 x 21 x 4.6 cm) |
| Item Weight | 3.43 pounds (1.56 kg) |
| Item model number | SMSL AS400 |
| Date First Available | October 22, 2025 |
| Manufacturer | SMSL |
Who Should Buy?
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Audiophiles
This amplifier provides high-quality sound with support for high-res audio and MQA, making it perfect for audiophiles.
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Home Theater Users
With HDMI-ARC compatibility, users can integrate this amplifier seamlessly into their home theater setup for enhanced audio.
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Bluetooth Enthusiasts
Supports advanced Bluetooth codecs like LDAC and aptX HD, enabling high-quality wireless audio streaming for Bluetooth users.
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Casual Listeners
Individuals who primarily listen to music casually may not need the high-end features and power this amplifier offers.
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Small Rooms
The amplifier's power output may be overkill for small rooms where lower wattage would suffice for quality sound.
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Budget Buyers
Those on a tight budget might find this amplifier too expensive compared to simpler alternatives with fewer features.
Product Description
S.M.S.L AS400 HiFi Power Amplifier with Built-in DAC - 165Wx2 Stereo smsl Amplifier for Home Audio, Bluetooth LDAC aptX HD, HDMI-ARC, MM Phono, High-Res Audio smsl dac with MQA Support
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Customer Questions & Answers
-
Question:
What type of devices can I connect to the AS400?
Answer: You can connect TVs via HDMI-ARC, computers via USB, and use Optical/Coaxial for digital sources, in addition to RCA line-in and a turntable. -
Question:
What is the output power of the AS400 amplifier?
Answer: The AS400 delivers 165 watts per channel into 4Ω, making it perfect for driving powerful speakers. -
Question:
Does the AS400 support wireless audio streaming?
Answer: Yes, it features Bluetooth 5.1 with support for high-quality codecs like LDAC and aptX HD for wireless audio streaming.
S.M.S.L Amplifiers SMSL AS400 Editorial Review
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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MWK 820721
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Features & Benefits
- Integrated DAC and amplifier for superior audio quality.
- 165W high-power output per channel for powerful performance.
- Supports multiple input options including HDMI-ARC, USB, and Optical.
- High-resolution audio decoding with MQA support for studio-quality sound.
- Dual headphone outputs with advanced Bluetooth streaming capabilities.
- Customizable sound with EQ presets and a user-friendly remote control.
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