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Today’s post is dedicated to power amplifiers combined with a DAC to build a modern HiFi sound system. It’s a good idea to combine a DAC and a digital audio amplifier in one device — minimum conversion, digital processing capabilities and compact size. Such combined digital amplifiers have a large number of inputs, including a Bluetooth module, many sound settings (DSP) and sufficient power for home acoustics.

Sabaj A3

The selection is opened by a compact digital amplifier from Sabaj. Model A3 is based on the STA326 chip and has a power of 80 watts per channel into 4 ohms. There is an equalizer with 15 settings!

Dimensions of the aluminum case: 106X119X36 mm, power supply 19 V 6.3 A and a beautiful remote control included.

Of the digital inputs available:

  • Optical up to 96 kHz
  • Micro USB for PC up to 192 kHz
  • Bluetooth 4.2 with apt-X codec support

The analog line input on the 3.5 mm jack is not forgotten either.

This is the official store of the manufacturer, there is a fast delivery from a warehouse in the Russian Federation.

BRZHIFI X10

Next, an inexpensive but powerful option from BRZHIFI. The X10 model is based on the TPA3255 chip and has decent power up to 300W per channel.

In addition to analog inputs, this model can be connected to a PC (PCA5102A DAC) and listen to music from a smartphone. BT chip QCC3034 with support for APTX-HD codec.

To adjust the sound there is a tone block with adjustments of ± 10 dB.

A strict metal case with dimensions of 240 * 60 * 197 mm, there is a screen on the front panel. You can also control with the remote control.

LOXIE A30

A variant from LOXJIE in a stylish aluminum case based on the new MA12070 amplifier chip from Infineon Technologies and volume control on the NJW1194.

Total dimensions: 151 x 170 x 38 mm. Remote control and 24 V power supply included.

The A30 is an 80W stereo amplifier with an active subwoofer output and a headphone amplifier at the same time, and the built-in DAC is on the ESS Saber ES9023 (optical input and micro USB). And, of course, Bluetooth on a high-quality Qualcomm QCC3008 chip.

High-quality performance, design and well-fitted IPS screen. A30 will look harmoniously on a table next to a PC and mini acoustics. HiRes DAC and good sound will complement the pleasant impression.

AIYIMA D05

A popular amplifier option with a full range of digital inputs and 120 watts per channel.

Model D05 is based on CM6642, TAS5508, TAS5352A, QCC3008, CS8422, WM8782 chips. Power supply unit complete with parameters 32 V 5 A. Case dimensions: 183 × 128.5 × 37 mm.

Optical, coaxial and PC input from digital. We didn’t forget high-quality Bluetooth 5.0, and all this with a normal design and reasonable money.

Ease of control adds a small OLED screen and remote control.

To fine-tune the nature of the sound, there is: an equalizer, a tone block and loudness.

Fosi Audio E10 PRO

Fosi broke out of a completely budget segment and produced an interesting combined product. The E10 PRO is based on the TPA3251D2 class D amplifier chip and delivers 200W into 4 ohms.

In addition to the DAC (MS8413), the device has a built-in audio file player (APE, FLAC, WAV, MP3, WMA). Supports media up to 500 GB. There is a remote control and a color screen.

Bluetooth on ATS2825 chip. There is an output for an active subwoofer.

Arylic A50+

Streaming amplifier from Arylic. There is a full set of functions: LAN, Bluetooth 5.0, USB, WiFi, Airplay, DLNA, UPNP, multi-room and a digital amplifier on the STA326 chip from ST at 50 watts per channel. And all in a compact case 120x110x40 mm. There is an output for an active subwoofer. Optical and PC input.

The device has two antennas: 2.4G WiFi and Bluetooth and has 100M LAN for home network. Power: 24V, 4.15A included.

For Internet services, your smartphone with the 4STREAM application is used, there is also a regular remote control.

An excellent option for building an audio system with streaming services and wireless technologies.

FX-AUDIO D2160MKII

Fully digital amplifier from FX-AUDIO. Model D2160MKII has a power of 150W. Power supply DC 36V/6A included. There is a black and silver version of the front panel.

The device is built on chips: TAS5614 + MCU STM32 + DSP TAS5548 + PCM1808 + AK4118 + CM6642 + CSR8675. And the MAX9722 headphone amplifier. Digital inputs: optical, coaxial and usb for PC.

To adjust the sound, there is: a tone block, loudness and an equalizer.

Bluetooth 5.0 chip CSR8675 with support for APTX-HD LDAC, 24Bit/96kHz and a powered subwoofer output.

WA90Pro

Perhaps the most «fancy» device in the sample. The heart of the model, the amplifier on the TPA3251 chip, delivers up to 150 watts per channel. DAC on ES9023 (optical input) and Bluetooth 5.0.

I’ll just list the rest of the possibilities:

  • Uncompressed Audio Player
  • HD arc
  • Subwoofer output
  • Remote control
  • Karaoke!

SMSL AD18

A small but feature-packed desktop version of SMSL’s DAC amplifier. He’s in the title photo of the thread. The maximum power of the AD18 is 80W per channel.

The filling is modern: TAS5508C + CS8422 + TAS1020B + CS5341 and headphone amplifier MAX97220A. There is even an NFC tag for quick connection with a smartphone via Bluetooth.

The digital signal can be fed through optics and coaxial cable. There is an output for a subwoofer, a tone block ±8 dB and an equalizer.

The case of a vertical layout with dimensions of 85x51x172 mm. Power supply and remote control included.

There is a fast delivery from a warehouse in the Russian Federation.

SMSL VMV A2

The selection is completed by a new product from the SMSL brand. VMV A2 is a Hi-End digital amplifier supporting 32bit 768kHz DSD512 and 200W per channel. Claimed distortion 0.0008%.

The model has support for high-quality audio transmission via Bluetooth UAT. Full set of digital inputs and active subwoofer output.

The design is somewhat unusual for sound devices. But with a color screen. The aluminum body is mounted on spikes. Dimensions: 280x43x255 mm.

I hope that the selection of stereo amplifiers with digital inputs and you will choose an option for your taste and budget.

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