S.M.S.L vs AIYIMA: Amplifiers Compared by Specs
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This s m s l vs AIYIMA amplifier comparison focuses on two integrated DAC amplifiers with distinct target uses. Both units feature built-in digital-to-analog converters and Bluetooth connectivity for modern audio sources. The S.M.S.L AL400 is designed specifically for vinyl enthusiasts, offering a dedicated phono stage for moving magnet and moving coil cartridges. In contrast, the AIYIMA A80 prioritizes high-power stereo amplification with balanced inputs and a digital VU meter, lacking phono capabilities. You should choose based on whether you need turntable integration or raw power output.
Key differences
| Aspect | S.M.S.L Integrated Phono Amplifier with DAC | AIYIMA Balanced Bluetooth Stereo Amplifier |
|---|---|---|
| DAC Chip | CS43131 | ES9038Q2M |
| Amplifier Chip | TPA325 | TPA3255 |
| Phono Input | MM/MC support | Not listed |
| Balanced Input | Not listed | TRS balanced |
| Power Output | Not listed | 300W*2 |
| Display | Not listed | Digital VU meter |
Which one should you choose?
Choose S.M.S.L Integrated Phono Amplifier with DAC if
- You have a turntable and need a built-in phono preamp for MM or MC cartridges.
- You want precise EQ control with independent frequency, gain, and Q adjustments.
- You prefer a compact unit with a full-function remote for living room use.
Choose AIYIMA Balanced Bluetooth Stereo Amplifier if
- You require high power output of 300W per channel for demanding speakers.
- You need a TRS balanced input to reduce interference and hiss.
- You want a digital VU meter to visualize audio levels in real time.
Verdict: The S.M.S.L AL400 is the practical choice for vinyl listeners who need a dedicated phono stage and detailed EQ tuning. The AIYIMA A80 suits users seeking high-power stereo amplification with balanced connectivity and visual feedback. Your decision depends on whether turntable compatibility or raw output power is the priority for your system.
S.M.S.L vs AIYIMA Spec Showdown
DAC Chip Quality
The S.M.S.L AL400 utilizes the CS43131 decoding chip, which supports MQA full decoding alongside DSD and PCM high-resolution formats. This configuration is optimized for precise digital-to-analog conversion suitable for vinyl integration. The AIYIMA A80 steps up with the ESS9038Q2M DAC chip, supporting DSD256 and ultra-high-resolution PCM audio. The ESS9038Q2M is a higher-tier component often found in more expensive audiophile gear, offering greater dynamic range and lower noise floors than the CS43131. If your source material includes high-res digital files, the AIYIMA provides superior decoding capabilities. The S.M.S.L chip is sufficient for standard high-res but lacks the DSD256 support found in the AIYIMA.
Phono Stage Capability
Vinyl compatibility is a major differentiator between these two units. The S.M.S.L AL400 includes a dedicated MM/MC phono input, allowing you to connect a turntable directly without an external preamp. It also features 4-stage low-pass filtering, 5 filter modes, and independent EQ controls for bass, gain, and phase. This makes it a complete solution for turntable users. The AIYIMA A80 does not list a phono input in its specifications. You would need a separate phono preamp or a turntable with a built-in preamp to use vinyl with this unit. For anyone prioritizing a streamlined vinyl setup, the S.M.S.L is the only viable choice here.
Power Output
Power handling differs significantly between the two amplifiers. The AIYIMA A80 is rated at 300W*2 using the TPA3255 Class D chipset, paired with Rubycon and WIMA capacitors for stable high-power delivery. This output is suitable for driving larger bookshelf or floorstanding speakers in bigger rooms. The S.M.S.L AL400 also uses a TPA3255 amplifier chip but does not specify a wattage rating in the provided data. Without explicit power figures, it is likely designed for lower-power bookshelf speakers or near-field listening rather than high-volume room filling. If you need raw power to move large drivers, the AIYIMA's stated 300W per channel offers a clear advantage.
Connectivity Options
Both units offer modern digital inputs, but their specific interfaces cater to different needs. The S.M.S.L AL400 includes HDMI eARC, Bluetooth 5.1 (with LDAC/aptX HD), optical, and USB inputs. The HDMI eARC allows for direct TV audio linkage, simplifying a living room setup. The AIYIMA A80 provides TRS balanced inputs, USB, optical, and coaxial inputs, plus Bluetooth. The TRS balanced input is a premium feature that reduces noise and interference, which the S.M.S.L lacks. However, the S.M.S.L's HDMI eARC is unique here. If you connect via TV, the S.M.S.L is easier. If you prioritize balanced connections for lower noise, the AIYIMA is better.
Distortion and Clarity
Signal purity is critical for high-fidelity audio. The AIYIMA A80 specifies a Total Harmonic Distortion (THD) of 0.006% and a SINAD of 109dB, indicating very clean signal processing and low noise. These metrics suggest a highly accurate reproduction of the source material. The S.M.S.L AL400 mentions a low-distortion design but does not provide specific THD or SINAD numbers in the data. Without these figures, we cannot confirm if it matches the AIYIMA's precision. The AIYIMA provides transparent data on its performance metrics, giving you confidence in its technical accuracy. The S.M.S.L relies on general claims without specific verification from the provided specs.
Control and Display
User interface preferences vary between these models. The S.M.S.L AL400 comes with a full-function remote for one-key control of playback and EQ adjustments, including phase and filter changes. It lacks a mention of a display screen in the data. The AIYIMA A80 features an electronic VU display screen that shows input status, volume, and dynamic levels. It also includes a remote. The VU meter adds visual feedback during playback, which many users find engaging for monitoring signal levels. The S.M.S.L focuses on functional remote control for precise EQ tuning. If you value visual feedback and classic amp aesthetics, the AIYIMA's display is a strong plus. If you prefer invisible tech, the S.M.S.L remote is sufficient.
Choose Your S.M.S.L or AIYIMA Amp
Vinyl lovers needing phono stage
The S.M.S.L AL400 includes a dedicated MM/MC phono input, allowing direct turntable connection. Its CS43131 DAC supports MQA and DSD formats. You get four low-pass frequencies and five filter modes for precise tuning. This setup ensures lossless audio reproduction without needing an external preamp.
Audiophiles seeking high power output
The AIYIMA A80 delivers 300W per channel using the TPA3255 amplifier chip. It features the ES9038Q2M DAC chip for ultra-high-resolution audio. With 0.006% THD and 109dB SINAD, it offers low distortion. The balanced TRS inputs help isolate environmental noise for cleaner sound.
Users wanting balanced inputs
The AIYIMA A80 provides professional TRS balanced inputs, a feature missing in most desktop amps. This helps eliminate speaker hiss and isolate EMI. You also get SUB pre-out and 3.5mm AUX outputs for flexible system expansion. The digital VU meter adds visual feedback during playback.
The products compared
S.M.S.L Integrated Phono Amplifier with DAC
Best for: high-resolution phono and DAC integration
- 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 S.M.S.L AL400 combines a DAC, phono stage, and amplifier in one unit. It uses a CS43131 decoding chip and supports MQA, DSD, and PCM formats. You get Bluetooth 5.1 with LDAC and aptX HD. It handles MM and MC cartridges. The unit includes HDMI eARC, optical, and USB inputs. This makes it a solid choice for building a high-resolution home audio system.
Pros
- CS43131 high-end DAC chip for MQA and DSD/PCM support
- Compatible with both MM and MC phono cartridges
- Bluetooth 5.1 with LDAC and aptX HD codecs
- Includes HDMI eARC, optical, and USB inputs
Cons
- Only supports Bluetooth 5.1, not the latest version
- No mention of Wi-Fi connectivity for streaming
- Limited to two color options
Good fit if
- You want a single unit for DAC, phono, and amplification
- You use MM or MC turntables
- You need HDMI eARC for TV audio
Skip if
- You require Wi-Fi streaming capabilities
- You prefer a separate DAC and amplifier
- You need Bluetooth 5.3 or newer
Verdict: The S.M.S.L AL400 DAC Phono Amp suits listeners who want a compact, high-resolution solution. It fits you best if you prioritize phono stage quality and versatile digital inputs over modern wireless standards.
AIYIMA Balanced Bluetooth Stereo Amplifier
Best for: High-power desktop setups with balanced inputs
- Power Output
- 300W*2
- Amplifier Class
- Class D
- Audio Inputs
- TRS balanced, USB, optical, coaxial
- Audio Outputs
- 3.5mm AUX, RCA, SUB Pre-Out
- DAC Chip
- ESS9038Q2M
- Wireless Connectivity
- Bluetooth
View on Amazon: AIYIMA Balanced Bluetooth Stereo Amplifier Affiliate link
The AIYIMA A80 integrates an ESS9038Q2M DAC with a TPA3255 Class D amplifier. It delivers 300W per channel with 0.006% THD. You get TRS balanced, USB, optical, and coaxial inputs. Bluetooth and a digital VU meter are included. This unit suits users needing high power and balanced connectivity for desktop or shelf setups.
Pros
- ESS9038Q2M DAC chip for high-resolution audio
- TRS balanced input to reduce interference
- 300W per channel Class D output
- Digital VU meter display
Cons
- No dedicated phono stage for turntables
- No remote control listed in specifications
- Bluetooth codec support not specified
Good fit if
- You need balanced TRS inputs
- You want high power output
- You prefer digital volume control
Skip if
- You require a built-in phono preamp
- You need a remote control
- You are connecting a standard turntable directly
Verdict: The AIYIMA A80 Bluetooth DAC Amplifier fits users who need balanced inputs and high power. It is not suitable for direct turntable connection without a separate preamp.
Specifications side by side
| Spec | S.M.S.L Integrated Phono Amplifier with DAC | AIYIMA Balanced Bluetooth Stereo Amplifier |
|---|---|---|
| Power Output | not stated | 300W*2 |
| Amplifier Class | not stated | Class D |
| Audio Inputs | HDMI eARC, MM/MC Phono, Optical, USB | TRS balanced, USB, optical, coaxial |
| Audio Outputs | not stated | 3.5mm AUX, RCA, SUB Pre-Out |
| DAC Chip | CS43131 | ESS9038Q2M |
| Wireless Connectivity | Bluetooth 5.1 | Bluetooth |
| Total Harmonic Distortion | not stated | 0.006% THD |
| Connectivity | not stated | Bluetooth, USB |
| Use | not stated | Home Theater |
| Cartridge Support | MM | not stated |
| Amplifier Type | not stated | Integrated Amplifier |
| Inputs | Phono | not stated |
| Features | Built-in DAC | Built-in DAC |
| Dimensions | not stated | 6.1 × 4.84 × 1.61 inches |
| Weight | not stated | 3.66 pounds |
| Color | silvery | not stated |
| Model | AL400-W | A80 |
| Size | not stated | A80 |
Frequently asked questions
Does the S.M.S.L AL400 connect directly to a turntable?
Yes, the S.M.S.L AL400 includes a dedicated phono input. It supports MM cartridges, allowing you to connect a turntable directly without a separate preamp. This makes it a compact solution for vinyl enthusiasts who want integrated phono stage quality and versatile digital inputs in one unit.
Can the AIYIMA A80 handle direct turntable connections?
No, the AIYIMA A80 is not suitable for direct turntable connection. It lacks a built-in phono stage, so you would need a separate preamp to connect a vinyl player. This amplifier is better suited for high-power desktop setups where you use balanced inputs and other digital or line-level sources.
What DAC chip does the AIYIMA A80 use?
The AIYIMA A80 uses the TPA3255 DAC chip. This component supports balanced outputs and high-power performance, making it ideal for desktop setups. While it features a built-in DAC for digital sources, it does not include the specialized phono stage found in the competing S.M.S.L model.
Is the S.M.S.L AL400 suitable for high-resolution audio?
Yes, the S.M.S.L AL400 is designed for high-resolution phono and DAC integration. It features a built-in DAC that supports MQA full decoding alongside DSD and PCM high-resolution formats. This configuration ensures precise digital-to-analog conversion, which is particularly beneficial when integrating digital sources with your vinyl playback system.
What are the dimensions of the AIYIMA A80 amplifier?
The AIYIMA A80 measures 6.1 inches in length, 4.84 inches in width, and 1.61 inches in height. It weighs 3.66 pounds. These compact dimensions make it suitable for desktop setups where space is limited, while still providing the high power and balanced inputs needed for serious listening.
Which amplifier has Bluetooth connectivity?
Both the S.M.S.L AL400 and the AIYIMA A80 feature Bluetooth connectivity. This allows you to stream audio wirelessly from modern devices. The S.M.S.L model prioritizes phono stage quality, while the AIYIMA model emphasizes high power and balanced inputs, but both support wireless streaming for convenience.
Does the S.M.S.L AL400 support MC cartridges?
The provided specifications list MM cartridge support for the S.M.S.L AL400. It does not explicitly mention MC support in the available data. You should verify if your specific turntable uses an MM or MC cartridge to ensure compatibility with this dedicated phono input and integrated DAC solution.

