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SMSL M20 DAC Headphone Amplifier Black
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![[GRADE B] AUDIOPHONICS MOS-120 Amplifier Class AB 2x120W 4 Ohm Black](https://www.audiophonics.fr/59637-thumb_default/audiophonics-mos-120-amplifier.jpg)
Accessories for this product
Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
SMSL M20 DAC Headphone Amplifier 4xCS43131 XMOS XU316 TPA6120A2 32bit 768kHz DSD256 Black
The SMSL M20 DAC and headphone amplifier benefits from audiophile components and a most singular form factor. It features no less than 4 CS43131 chips and an XMOS XU316 USB interface, enabling it to support sampling rates up to PCM 32bit 768kHz, DSD256 and MQA. On the headphone amplification side, the TPA6120A2 delivers 2x700mW under 16 ohm and up to 2x40mw under 600 ohm. The SMSL M20 is therefore capable of driving many of the headphones and IEMs available on the market. Connectivity includes a USB-C input (2.0/1.1), a stereo line output on 3.5mm jack and, of course, two headphones outputs: single-ended 3.5mm jack and balanced 4.4mm jack.
SMSL M20: A low-noise, high-power device
The SMSL M20 integrates a low-noise power supply that powers various audiophile components, whether for its digital-to-analog conversion stage or its headphones amplification stage. In addition to supporting high-resolution streams thanks to no fewer than 4 CS43131 chips, TPA6120A2 headphone amplifier chips enable it to drive audio headphones or IEMs with impedances ranging from 16 ohms to 600 ohms.
| SMSL M20 output power table | |
|---|---|
| 16 ohm | 700mW |
| 32 ohm | 700 mW |
| 64 ohm | 350mW |
| 150 ohm | 160mW |
| 300 ohm | 80mW |
| 600 ohm | 40mW |
SMSL M20: Extended compatibility
The M20's USB-C input can operate in either USB 2.0 or USB 1.1 mode, providing an optimum level of compatibility with a wide range of devices, from computers and smartphones to video game consoles such as the PS5 and Nintendo Switch.
SMSL M20: A device with singular aesthetics
The SMSL M20's attractive tempered-glass panel reveals all its circuitry. Moreover, its hyper-compact form factor enables it to fit easily into any space.
SMSL M20 overview
| 1 | Operating mode selection |
| 2 | Volume + |
| 3 | Volume - |
| 4 | USB-C input |
| 5 | USB-C power port |
| 6 | 3.5mm line output jack |
| 7 | Single-ended 3.5mm headphone output |
| 8 | Balanced 4.4mm headphone output |
Technical characteristics
| Specifications | |
|---|---|
| Product type | DAC / Headphone amplifier |
| DAC chip | 4x CS43131 |
| Headphone amplifier chips | 2x TPA6120A2 |
| Inputs | 1x USB-C input |
| Outputs | 1x 3.5mm jack output 1x 3.5mm jack single-ended headphone output 1x 4.4mm jack balanced headphone output |
| Supported sample rates | PCM up to 32bit 768kHz DSD up to DSD256 |
| Headphone output power | 700mW @ 16Ω 700mW @ 32Ω 350mW @ 64Ω 160mW @ 150Ω 80mW @ 300Ω 40mW @ 600Ω |
| Output level | 3.5mm jack line output: 2.5Vrms 3.5mm jack headphone output: 2.5Vrms 4.4mm jack headphone output: 5Vrms |
| Output impedance | Line: 22 ohm Headphones: Near 0 ohm |
| Dynamic range | Jack 3.5mm: 119dB Jack 4.4mm: 124dB |
| SNR | Jack 3.5mm: 119dB Jack 4.4mm: 124dB |
| THD+N | 0.0001% (-115 dB) |
| USB compatibility | Windows 7/8/8.1/10/11, Android, iOS, macOS 10.6+, Linux PS5, Nintendo Switch |
| PCM filters | x5 |
| General | |
|---|---|
| Power supply | 5V 1A via USB-C |
| Energy consumption | < 15 W Standby: < 0.5 W |
| Dimensions | 85 x 22.5 x 85 mm |
| Weight | 165g |
| Color | Black |
| Package | 1x SMSL M20 1x USB-A to USB-C cable 1x USB-C to USB-C cable |
| Input | USB |
| Output | Jack 3.5mm |
| Output | Jack 4.4mm |
| DAC / ADC Chip | CS43131 |
| Max sampling rate | 768kHz |
| Max sampling rate | DSD256 |
| Color | Black |
| Class | Class A / AB |
| Networking | No |
| Remote Control | No |
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