S.M.S.L AL400 DAC Phono Amplifier vs S.M.S.L SMSL AS400 MA5332MS Amplifier: Spec Comparison
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The s m s l al400 dac phono amplifier vs smsl as400 ma5332ms amplifier comparison highlights two distinct approaches to home audio. Both units feature the CS43131 DAC chip and support MM phono cartridges for vinyl playback. The primary difference lies in their output configuration and connectivity. The AL400 focuses on stereo amplification with HDMI eARC and flexible EQ tuning. The AS400 delivers higher power with a 2.1-channel system, including a dedicated subwoofer output and headphone jack.
Key differences
| Aspect | S.M.S.L Integrated Phono Amplifier with DAC | SMSL AS400 165W Class D Amp with DAC |
|---|---|---|
| Amplifier Class | TPA3253 | Class D (MA5332MS) |
| Power Output | Not listed | 165W x 2 |
| Audio Outputs | Not listed | Subwoofer, Headphone |
| Wireless Connectivity | Bluetooth 5.1 | LDAC, aptX/HD, SBC, AAC |
| EQ Options | 5 filters, independent gain/Q | 8 presets (Direct, Bass, etc.) |
| Color Options | Black, Silvery | Black, Silver |
Which one should you choose?
Choose S.M.S.L Integrated Phono Amplifier with DAC if
- You need HDMI eARC input for direct TV connection.
- You prefer manual EQ control with independent frequency and gain adjustments.
- You want a compact stereo amplifier without a subwoofer channel.
Choose SMSL AS400 165W Class D Amp with DAC if
- You require high power output for larger speakers or subwoofer integration.
- You want a dedicated headphone amplifier for private listening.
- You need multiple wireless codec support including aptX HD and AAC.
Verdict: Choose the AL400 if you prioritize flexible manual tuning and direct HDMI connectivity for a TV setup. The AS400 is better for users seeking high power, subwoofer support, and headphone amplification. Both models offer high-resolution DAC performance with the CS43131 chip.
AL400 vs AS400 Spec Breakdown
Power output
The S.M.S.L AL400 uses a TPA325 amplifier chip for its audio processing. The data does not list a specific wattage rating for this unit. In contrast, the S.M.S.L AS400 features the MA5332MS amplifier chip and delivers 165W x 2 of stereo power. It also includes an independent subwoofer channel for 2.1-channel output. This dedicated power rating and subwoofer support give the AS400 a clear advantage for driving speakers or adding a sub.
Wireless protocols
Both units support Bluetooth 5.1 and high-quality codecs like LDAC and aptX HD. The S.M.S.L AL400 lists these two specific wireless standards. The S.M.S.L AS400 expands on this by also supporting SBC and AAC protocols. This broader set of codec options allows the AS400 to work with a wider variety of source devices, including those that may only support standard AAC or SBC connections.
EQ customization
The S.M.S.L AL400 offers professional-grade tuning with independent frequency, gain, and Q adjustment. It also includes phase control ranging from 0° to 180°. The S.M.S.L AS400 provides eight preset EQ modes, such as Rock, Soft, and Super Bass, along with five PCM filter options. While the AL400 allows for precise manual tweaking, the AS400 offers quick preset changes for different music styles.
DAC decoding
Both amplifiers utilize the same Cirrus Logic CS43131 DAC chip for digital-to-analog conversion. The S.M.S.L AL400 supports full MQA decoding and handles DSD and PCM high-resolution formats. The S.M.S.L AS400 also supports MQA and PCM, leveraging an XMOS XU-316 interface for 32bit/768kHz resolution. Since both share the core DAC chip and MQA support, they are tied in decoding capability.
Physical dimensions
The S.M.S.L AS400 has listed dimensions of 10 inches in length, 8.28 inches in width, and 10 inches in height. It weighs 3.44 pounds. The S.M.S.L AL400 data does not provide specific length, width, height, or weight measurements. Without physical size data for the AL400, you cannot compare footprint or portability. The AS400 provides complete dimensional details for planning your setup.
Audio inputs
The S.M.S.L AL400 supports HDMI eARC, MM/MC phono, optical, and USB inputs. The S.M.S.L AS400 includes MM phono, optical, and USB inputs, plus a dedicated subwoofer output. The AL400 is unique in its support for HDMI eARC, which simplifies connection to modern TVs. The AS400 lacks HDMI eARC in its listed inputs. For TV integration, the AL400 has the advantage.
Which SMSL DAC Should You Choose
Users needing high power and subwoofer support
The AS400 delivers 165W x 2 output via its MA5332MS Class D chip. It includes a dedicated subwoofer output for 2.1 channel setups. This model supports full wireless protocol decoding including LDAC and aptX HD. You get eight EQ modes and five PCM filters for precise sound tuning.
Listeners wanting phase control and eARC connectivity
The AL400 offers 0° to 180° phase control and independent bass adjustment. It supports HDMI eARC for direct TV linkage. Bluetooth 5.1 handles LDAC and aptX HD. The TPA325 amplifier chip provides low-distortion output. You also get four low-pass frequencies and five filter modes for tailored listening.
Audiophiles prioritizing volume control and MQA
The AS400 features an NJW1194A volume control chip from JRC for stable performance. It uses an XMOS XU-316 for MQA decoding. The unit supports 32bit/768kHz resolution. You receive a built-in MM phono stage and headphone output. This combination ensures high-fidelity processing for both digital and analog sources.
The products compared
S.M.S.L Integrated Phono Amplifier with DAC
Best for: turntable owners needing HDMI eARC and high-res DAC
- Audio Inputs
- HDMI eARC, MM/MC Phono, Optical, USB
- DAC Chip
- CS43131
- Wireless Connectivity
- Bluetooth 5.1
- Features
- Built-in DAC
View on Amazon: S.M.S.L Integrated Phono Amplifier with DAC Affiliate link
The SMSL AL400 is a DAC and phono amplifier that uses the CS43131 decoding chip. It supports MM and MC cartridges for direct turntable connection. You get Bluetooth 5.1 with LDAC and aptX HD for wireless audio. The unit includes HDMI eARC, optical, and USB inputs. It also features independent bass control and phase adjustment for precise tuning.
Pros
- CS43131 high-end DAC chip supports MQA and DSD/PCM formats
- Compatible with both MM and MC phono cartridges
- Bluetooth 5.1 with LDAC and aptX HD support
- Includes HDMI eARC, optical, and USB inputs
Cons
- Only supports Bluetooth 5.1, lacking newer versions
- No mention of Wi-Fi connectivity for streaming
- Remote control included but no app control listed
Good fit if
- You want to connect a turntable directly to your system
- You need HDMI eARC for TV audio
- You prefer wired connections like optical or USB
Skip if
- You require Wi-Fi for network streaming
- You need a remote control with no app alternative
- You only use MM cartridges and want a simpler device
Verdict: The SMSL AL400 DAC Phono Amp fits users who need a dedicated phono stage with HDMI eARC and high-res DAC capabilities. It is ideal for those building a wired or Bluetooth-based HiFi system.
SMSL AS400 165W Class D Amp with DAC
Best for: Compact stereo amps with phono input
- Power Output
- 165W x 2
- Amplifier Class
- Class D
- Audio Inputs
- USB, Coax, Opt, HDMI ARC, RCA, Phono
- Audio Outputs
- Subwoofer, 4.4mm, 6.35mm
- DAC Chip
- CS43131
- Wireless Connectivity
- Bluetooth 5.1
View on Amazon: SMSL AS400 165W Class D Amp with DAC Affiliate link
The S.M.S.L AS400 is a 165W x 2 Class D amplifier with a built-in CS43131 DAC and MM phono stage. It supports 2.1-channel output for subwoofers and wireless LDAC/aptX HD. This unit suits you if you need a compact stereo amp with vinyl support and high-resolution digital decoding.
Pros
- 165W x 2 Class D power output
- Built-in MM phono amplifier for vinyl
- CS43131 DAC with 32bit/768kHz support
- LDAC and aptX HD wireless connectivity
Cons
- No dedicated remote control listed in data
- Limited to MM phono input only
Good fit if
- You want to connect a turntable directly
- You need a subwoofer output for 2.1 audio
- You prioritize high-resolution wireless streaming
Skip if
- You require a built-in MC phono stage
- You need a remote control for operation
- You prefer a larger Class AB amplifier
Verdict: The S.M.S.L AS400 165W Class D Amp fits you if you need a compact stereo amplifier with a built-in phono stage and subwoofer output for a complete 2.1 system.
Specifications side by side
| Spec | S.M.S.L Integrated Phono Amplifier with DAC | SMSL AS400 165W Class D Amp with DAC |
|---|---|---|
| Power Output | not stated | 165W x 2 |
| Amplifier Class | not stated | Class D |
| Audio Inputs | HDMI eARC, MM/MC Phono, Optical, USB | USB, Coax, Opt, HDMI ARC, RCA, Phono |
| Audio Outputs | not stated | Subwoofer, 4.4mm, 6.35mm |
| DAC Chip | CS43131 | CS43131 |
| Wireless Connectivity | Bluetooth 5.1 | Bluetooth 5.1 |
| Connectivity | not stated | Bluetooth, USB |
| Color | silvery | Black |
| Cartridge Support | MM | not stated |
| Amplifier Type | not stated | Headphone Amplifier |
| Inputs | Phono | RCA, Phono, HDMI |
| Outputs | not stated | Headphone |
| Class | not stated | Class D |
| Features | Built-in DAC | Built-in DAC |
| Dimensions | not stated | 10 × 8.28 × 10 inches |
| Weight | not stated | 3.44 pounds |
| Model | AL400-W | AS400 |
Frequently asked questions
Does the S.M.S.L AL400 support HDMI eARC?
Yes, this unit supports HDMI eARC. This feature allows you to connect it to a TV for high-resolution audio extraction from video sources. It serves as a dedicated phono stage and DAC, making it ideal for wired or Bluetooth HiFi systems that require direct digital audio input from modern televisions.
What type of phono cartridge does the AL400 accept?
The S.M.S.L AL400 accepts Moving Magnet (MM) cartridges. It includes a built-in phono stage designed specifically for these types of turntable outputs. You can connect your vinyl setup directly to this input to benefit from its integrated digital-to-analog conversion capabilities without needing an external preamp.
What is the physical size of the SMSL AS400?
The SMSL AS400 measures 8.28 inches in width, 10 inches in height, and 10 inches in length. It weighs 3.44 pounds. These compact dimensions allow it to fit easily into smaller audio setups while still delivering 165 watts of power per channel for your speakers.
Does the AS400 include a subwoofer output?
Yes, the S.M.S.L AS400 includes a dedicated subwoofer output. This feature enables you to build a complete 2.1 channel system by adding a powered subwoofer. It complements its 165W stereo output, providing deeper bass response for movies or music that benefit from low-frequency extension.
What amplifier chip does the AS400 use?
The S.M.S.L AS400 uses the MA5332MS Class D amplifier chip. This component delivers 165 watts per channel, providing robust power for your speakers. The Class D design offers efficient performance, making it suitable for compact stereo amplifiers that need high output without excessive heat generation.
Can the AL400 be used with a TV?
Yes, the S.M.S.L AL400 can be used with a TV via HDMI eARC. This connection allows you to send high-quality digital audio from your television directly to the amplifier. It functions as a high-res DAC, ensuring your TV audio is converted with precision for your listening environment.
What color options are available for the AS400?
The S.M.S.L AS400 is available in black. This color choice helps it blend seamlessly into most home audio setups. The unit also features headphone outputs, allowing for private listening sessions without disturbing others in your household.