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Good for the price, for 90 euros you can't ask for more. sub output a little weak, I thought the bass would be more present, I used a 4ohm bass unit, I think that with 2ohm subwoofers the bass is stronger.
This review has been posted for SMSL A50 PRO Amplifier 2.1 Class D 2x MA12070 Bluetooth 5.0 HDMI ARC 2x70W 4 Ohm + 100W 2 Ohm 
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SMSL A50 PRO Amplifier
The SMSL A50 PRO is a 2.1-channel Class D amplifier featuring two Infineon MA12070P amplifier chips. It is capable of developing power up to 2x 70W 4 Ohm + 100W 2 ohm. One of the major advantages of the A50 PRO is its extensive digital connectivity.
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SMSL A50 PRO Amplificateur 2.1 Class D 2x MA12070P Bluetooth 5.0 HDMI ARC 2x70W + 100W 2 Ohm
The SMSL A50 PRO is a 2.1-channel Class D amplifier featuring two Infineon MA12070P amplifier chips. It is capable of developing power up to 2x70W 4 Ohm + 100W 2 ohm. One of the major advantages of the A50 PRO is its extensive digital connectivity. In addition to its USB-C input, it features HDMI ARC, Toslink optical and AUX jack 3.5mm inputs. SMSL has thus made its A50 PRO amplifier compatible with numerous digital devices such as televisions, computers and video game consoles. To top it all off, Bluetooth 5.0 as well as several equalization settings and high/low pass filters are available. Versatile and high-performance, this little amplifier is sure to delight a wide range of users.
SMSL A50 PRO: two Infineon MA12070P chips
Inside the A50 PRO you'll find no less than two Infineon MA12070P Class D amplification chips. These chips feature a direct I2S digital input and a very high level of efficiency. They deliver 2x70W at 4 ohms and 100W at 2 ohms to power a passive subwoofer. High dynamic range, low distortion and low noise: these are the characteristics that make them the chip of choice for this SMSL amplifier.
SMSL A50 PRO: 2.1-channel amplifier
As mentioned above, the A50 PRO delivers 100W of power to drive a passive subwoofer with volume control for the most immersive sound reproduction.
SMSL A50 PRO: High/low-pass filter
The A50 PRO features a high-pass filter adjustable from 200Hz to 600Hz and a low-pass filter adjustable from 50Hz to 120Hz by 10 steps each. The subwoofer volume is adjusted separately.
SMSL A50 PRO: numerous digital inputs including HDMI ARC
The A50 PRO incorporates numerous digital inputs: USB-C input, Toslink optical input, 3.5mm AUX input and, above all, an HDMI ARC port. As a result, it is able to receive the audio signal from a TV set, enabling you to enjoy a 2.1-channel home cinema setup.
SMSL A50 PRO : Bluetooth 5.0
A Bluetooth 5.0 receiver chip lets you enjoy high-definition wireless transmission. So it's easy to pair your phone or tablet to the SMSL A50 PRO.
SMSL A50 PRO: numerous EQ presets
Up to 6 EQ presets are available, allowing you to adjust the sound reproduction to the musical style being played or to your personal preferences. Treble and bass can be adjusted by 9 levels.
SMSL A50 PRO overview
| 1 | Volume control |
| 2 | Display |
| 3 | Bluetooth antenna |
| 4 | USB-C input |
| 5 | HDMI ARC input |
| 6 | Toslink optical input |
| 7 | AUX input 3.5mm jack |
| 8 | Passive subwoofer output |
| 9 | Right channel speaker terminal |
| 10 | Left channel speaker terminal |
| 11 | DC power supply input (12-24V) |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier |
| Amplifier type | Class D |
| Amplification chip | Infineon MA12070P |
| Inputs | 1x USB-C 1x HDMI ARC 1x Optical Toslink 1x AUX jack 3.5mm Bluetooth |
| Outputs | Speaker terminals 1x Passive subwoofer output |
| Output power | 2x 70W @ 4 ohm + 100W @ 2 ohm (subwoofer) |
| Frequency response | 20Hz-20KHz |
| Bass and treble gain | -5dB/+5dB |
| THD+N | 0.013% |
| Channel separation | -94dB (1KHz) |
| Input sensitivity | -10dB |
| SNR | 102 dB |
| General | |
|---|---|
| Supply voltage | 12-24V DC |
| Energy consumption | 36W |
| Standby power consumption | <0.5W |
| Dimensions | 134 x 33 x 103mm |
| Weight | 0.3kg |
| Package | 1x SMSL A50 PRO amplifier 1x USB-A to USB-C cable 1x HDMI cable 1x Bluetooth antenna 1x IR remote control 1x Power adapter |
| Input | USB |
| Input | Optical |
| Input | HDMI ARC |
| Input | Jack 3.5mm |
| Input | Bluetooth |
| Output | Subwoofer |
| Output | Speaker terminal |
| Color | Black |
| Channel | 2.1 |
| Class | Class D / T |
| Amplifier chip | Infineon MA12070 |
| Power (W) | 70.0 |
| Remote Control | Yes |
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Average votes 5.0 / 5 1 reviews | Why write products reviews ? You can share your feelings about products and help other people by sharing your experience |
Note :
5/5
Date :
2024-05-29
Bruno F.
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