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SMSL RAW-HA1 Amplifier / Headphone Amplifier
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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 RAW-HA1 Amplifier Infineon Headphone Amplifier CS43131 Bluetooth 5.1 2x165W 4 Ohm 32bit 768kHz DSD256 MQA/MQA-CD
With the SMSL RAW-HA1, the brand unveils a versatile, high-performance integrated amplifier/headphone amplifier. At the cutting edge of technology, this device is based on audiophile components. In fact, it uses an Infineon chip to develop an output power of up to 2x165W under 4 ohm and a JRC NJW1194 volume control. On the headphone amplification side, we find a Cirrus Logic CCS43131 hybrid DAC/headphone amplifier chip and two outputs: single-ended jack 6.35mm and balanced jack 4.4mm. The RAW-HA1 also boasts numerous digital inputs, including a USB input with XMOS XU-316 interface, enabling it to support sampling rates up to PCM 32bit 768kHz, DSD256 and MQA/MQA-CD. HDMI ARC, optical Toslink, coaxial SPDIF and analog RCA inputs are also available. Output is via speaker terminals, with a subwoofer output for coupling to an active subwoofer.
SMSL RAW-HA1: Infineon class D amplification with subwoofer output
The SMSL RAW-HA1's speaker terminal outputs are powered by an Infineon class D amplifier chip, enabling it to develop output power of up to 2x165W under 4 ohm and up to 2x85W under 8ohm. This amplifier therefore boasts a considerable power reserve, enabling it to power up to column speakers and thus provide the soundtrack to beautiful spaces. A subwoofer output is also available, enabling it to be coupled to an active subwoofer for an immersive listening experience.
SMSL RAW-HA1: DAC Headphone amplifier CS43131
Inside the SMSL RAW-HA1, a Cirrus Logic chip also acts as DAC and headphone amplifier for the 6.35mm jack and 4.4mm jack outputs available on its front panel.
SMSL RAW-HA1: XMOS XU-316 USB interface
The SMSL RAW-HA1's USB-C input is equipped with an XMOS XU-316 interface, enabling it to support high-resolution sampling rates up to PCM 32bit 768kHz and DSD256. An MQA decoder also enables it to support MQA or MQA-CD formats on all its digital inputs.
SMSL RAW-HA1: volume control NJW1194
An electronic volume control chip with low-noise, low-distortion characteristics, thanks to its resistance ladder circuit, adjusts the volume of the SMSL RAW-HA1's speaker terminal and headphone outputs.
SMSL RAW-HA1: Bluetooth 5.1
A Qualcomm QCC5125 Bluetooth receiver chip provides high-quality wireless transmission with AAC, SBC, aptX, aptX HD, aptX Adaptive and LDAC codecs. This simplifies use with a smartphone and streaming application.
SMSL RAW-HA1: ergonomic and aesthetically pleasing
This amplifier features a color LCD screen with tempered glass protection, giving access to an ergonomic, intuitive control interface for a pleasant user experience.
SMSL RAW-HA1 overview
| 1 | 4.4mm jack balanced headphone output |
| 2 | Jack 6.35mm headphone output |
| 3 | LCD screen with tempered glass window |
| 4 | Multifunction knob |
| 5 | Stereo RCA analog input |
| 6 | SPDIF coaxial input |
| 7 | Subwoofer output |
| 8 | Bluetooth antenna |
| 9 | HDMI ARC input |
| 10 | Speaker terminal output |
| 11 | Power IEC / Power switch |
SMSL RAW-HA1 test by Audio Science review (Amir)
"The RAW-HA1 packs a lot of functionality into a compact form factor. The user interface is attractive and the performance is on point. That's why I recommend the RAW-HA1."
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier Headphone amplifier |
| Amplification chip | Infineon |
| DAC chip/headphone amplification | CS43131 |
| USB interface | XMOS XU-316 |
| Bluetooth chip | Qualcomm QCC5125 |
| Inputs | 1x Analog RCA 1x USB-C 1x Coaxial 1x Optical Toslink 1x HDMI ARC Bluetooth |
| Outputs | Speaker terminals 1x Subwoofer output 1x 6.35mm jack single-ended headphone output 1x 4.4mm jack balanced headphone output |
| Output power | 2x165W @ 4 Ohm 2x85W @ 8 Ohm |
| Input sensitivity | 245mV/22kOhm |
| THD+N | 0.003% |
| SNR | 108dB |
| Crosstalk | 87dB |
| Supported sample rates | USB: PCM 32bit 768kHZ, DSD256, MQA Optical Toslink / Coaxial: 24bit 192kHz, DSD DoP64, MQA/MQA-CD |
| Supported Bluetooth codecs | SBC, AAC, AptX, AptX, aptX HD, aptX Adaptative, LDAC |
| USB transmission | USB 2.0 Asynchronous |
| USB compatibility | Windows 7/8/8.1/10/11 (with driver) Mac OSX Linux |
| General | |
|---|---|
| Power supply | AC 100-240V |
| Power consumption | 40W (Normal volume) |
| Color | Black |
| Dimensions | 219 x 45 x 190mm |
| Weight | 1.55kg |
| Package | 1x SMSL RAW-HA1 1x Remote control 1x Bluetooth antenna 1x Power supply cable |
| Input | RCA |
| Input | Optical |
| Input | HDMI ARC |
| Input | USB |
| Input | SPDIF |
| Input | Bluetooth |
| Output | Speaker terminal |
| Output | Subwoofer |
| Output | Jack 6.35mm |
| Output | Jack 4.4mm |
| Color | Black |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | N/A |
| Power (W) | 165.0 |
| Remote Control | Yes |
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