SMSL Q5 Pro Digital Amplifier Review

SMSL Q5 Pro is a DAC/power amplifier that is designed to help you get the best out of your speakers. It is created to drive high quality audio signals through sampling rates ranging between 44.1 kHz to 192 kHz.

This 45w x 2 (4ohm) digital power amplifier can be used for multi-function equipment. It supports fiber optics, coaxial, analog and computer USB input. Including the mainstream audio mode. Equipped with the function of remote control, easy for far distance control.

SMSL Q5 Pro is available in an aluminum casing with a sophisticated and graceful finishing. The chassis is sleek and sturdy, and its compact size (5.4 inches wide by 4.1 inches deep) minimizes clutter on your desk.

All the horizontal edges are properly grooved around their length to create a beautiful design. There is a power button on the left side of the amp,  while it also incorporates a stylish dial on the right. It is designed to increase or decrease certain audio values, such as tone control, volume control.

Many consumers complained that the device getting too hot when it is on. We hope that SMSL could find a better solution for the heat dissipation in their next generation


It comes enclosed in an elegantly crafted aluminum case and beneath the hood is a great stereo amplifier. It incorporates a remote controller that enables you to control every single function offered by this product.

The SMSL Q5 Pro offers a number of connectivity features. You can connect it to different devices using USB ports, coaxial, optical and analog inputs.

SMSL Q5 pro

Note: There is no headphone output for SMSL Q5 pro, but you can choose SMSL AD18 if you would like to pair with your headphone. You can learn more about SMSL AD18 by clicking it, Review of SMSL AD18 Bluetooth Full Digital Amplifier

The SMSL Q5 is a powerful DAC amp that is capable of delivering two different power levels, that are, 25W/channel at the rate of 8 ohms and 45W/channel at the rate of 4 ohms.

Therefore, it is easily be used with any music player to get the right playback quality of your own desire.

The remote control included in the SMSL Q5 Pro package offers a number of functionalities and might be used from anywhere in the room.

Numerous functions such as power control, volume up and down, input sources, EQ settings and many other similar controls may be taken care of using the remote controller.

The bad parts is that the remote control manual is not easy to understand, we suggest SMSL should make it much clearer in the future.

SMSL Q5 Pro also feature subwoofer outputs and include a low pass filter that sustains at a frequency of 200 Hz along with a 24dB slope.

The good thing is SMSL Q5 pro has a great sound quality , it is powerful enough to drive 2 bookshelf speakers. Sound is clear. Subwoofer output is also nice.

Note here: Some people noted that the screen was easy to scratch, it is just that there is a screen protector nylon on it without a pull tab, dig in from a corner with your nails and you should be able to pull it away.

Specs of SMSL Q5 Pro

InputOptical, coaxial, analog, USB
Output 2 channels (stereo)
Sampling rate44.1–192 kHz (coaxial, optical); 44.1–96 kHz (computer USB)
Bit depth16–24 bit
Frequency response20Hz–22 kHz
Impedance adaptation4–8 ohm
Maximum output power45W + 45W (4 ohm); 25W + 25W (8 ohm)
Adapter resistance4–8 ohm
THD + N0.05%
Dynamic range102 dB
Signal-to-noise ratio 81 dB
USB audio specification 16–24 bit / 44.1–96 kHz
USB compatibilityWindows, Mac OS X
Power consumption102 W (maximum)
Dimension5.4 x 4.1 x 1.3 in (13.7 x 10.3 x 3.3 cm)
Weight2.4 lb (1.1 kg)

√ Great sound quality, really good

√ Powerful and versatile

√ Small in size

√ Good connectivity options

√ Variety of input interface


Getting too hot when turn it on

⊙ It would be better if it also has a headphone output jack

⊙ The function and the manual of remote control sometimes will confuse the consumer

What is in the box?

  • 1 x SMSL Q5 Pro Amplifier
  • 1 x Remote Control
  • 1 x Power Supply
  • 1 x USB Cable
  • 1 x Use manual in English

Ready to buy it?