SMSL AL400 All-in-One Hi-Fi Decoder/Preamp/Phono Power Amplifier
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Description
Key Features:
- Power Output: Delivers robust, clean amplification rated at 2 × 85 W at 8Ω or 2 × 165 W at 4Ω, making it highly capable of driving both bookshelf and floor-standing speakers.
- High-Res Decoding: Handles PCM up to 32 bit/768 kHz, native DSD256, and full MQA/MQA-CD hardware decoding.
- Integrated Phono Preamp: Includes a built-in, low-noise phono stage supporting both Moving Magnet (MM) and Moving Coil (MC) turntable cartridges.
- Advanced Connectivity: Features HDMI (eARC) for TV syncing, USB, Optical, Coaxial, and RCA inputs, along with LDAC and aptX HD Bluetooth for wireless streaming.
- Subwoofer Support: Offers a dedicated sub-out with an adjustable low-pass filter (40Hz–250Hz) and 0°/180° phase adjustment for 2.1 channel setups.
- Parametric EQ: Features a 3-band customizable EQ (adjusting frequency, gain, and Q-value) so you can tailor the audio to your room or speakers.
Core Audio Components:
- DAC Chip: Features dual Cirrus Logic CS43131 chips alongside a third-generation XMOS XU-316 USB processor.
- Decoding: Supports native DSD256, PCM up to 32-bit/768kHz, and full MQA decoding.
- Volume Control: Employs the Japanese-made ROHM BD37524FS-E electronic volume control for ultra-low distortion across the dynamic range.
Connectivity:
- Inputs: HDMI eARC for TV integration (syncs audio and power), Bluetooth 5.1 (supporting LDAC and aptX HD), USB, Optical, and Coaxial.
- Turntable Ready: Built-in low-noise phono preamplifier compatible with both MM (Moving Magnet) and MC (Moving Coil) cartridges.
- Outputs: Professional subwoofer management with adjustable low-pass filters (four cutoffs), and 0°/180° phase control
EQ and Tuning:
The SMSL AL400 offers professional-grade sound customization. It features an adjustable 3-band EQ (high, medium, and low frequencies) where you can independently set the frequency points, gain, and Q values.
Specifications
- Built-in low noise vinyl head amplifier
- Built-in HDM(eARC) receiver
- Support MQA decoding and MQA-CD decoding
- The third generation XMOS XU-316
- Cirrus Logic's new high-end DAC chip CS43131
- Built-in high-quality high-power audio dedicated switching power supply