SMSL DA-9 Bluetooth 5.0 Amplifier


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The strong, silent type

The DA-9 doesn’t add any new features to the DA lineage, because doing so would have pulled focus from its philosophy of design: minimal features, maximal specs. This amp is an excellent choice for anyone in the market for a powerful bookshelf speaker amplifier from one of the most trusted names in audio. 

High power, low noise circuitry

SMSL assembled a crack team of circuitry for the DA-9. With its Japanese NJW1194 volume control chip and German Infineon class-D power amplifier chip, the DA-9 delivers a massive 150Wx2 of power with a whisperingly low 111dB signal-to-noise ratio. 

Free your music with Bluetooth 5.0

Although it’s more common to find Bluetooth chips inside DACs, headphones, and IEMs, there’s actually no limit to where you can place them in the audio chain, not even inside the amp itself. That’s because Bluetooth chips handle their own decoding apart from the DAC you’d normally use for wired sound. Bluetooth 5.0 is the highest available Bluetooth decoding available, making the DA-9 an excellent choice for audiophiles looking for both an amp upgrade and the addition of Bluetooth to their system. 

Balanced input 

An XLR balanced input makes the DA-9 a great addition to any balanced audio ecosystem.

Sophisticated, subtle design

From a distance, the DA-9 looks much like the rest of the SMSL lineup: bright-screened, modestly-sized, wagging its little dog tail of a Bluetooth antenna. In a word: unpretentious. But come a bit closer and you’ll find that SMSL has reserved a few sensual surprises for your fingertips. Its corrosion-resistant anodized surface and chamfered edges are a delight to touch, notching the DA-9 into a slightly higher class of sophistication.

8 EQ Modes

Unlike digital filters, which can throw audiophiles into a doubtful “appreciate it before you can hear it” situation, EQ modes make a demonstrable difference that even the least experienced of audio lovers can enjoy. The SMSL DA-9 includes eight EQ modes:

  • Direct
  • Tone
  • SDB
  • Bass
  • Super Bass
  • Rock
  • Soft 
  • Clear

Product highlights

  • Output power: 150Wx2 (2Ω), 90Wx2 (4Ω), 50Wx2 (8Ω)
  • Bluetooth 5.0
  • NJRC NJW1194 volume control chip
  • Balanced input
  • CNC precision processing
  • SMSL SDB patented sound
  • Color LCD display
  • Remote control
  • Subwoofer preamp out
  • 8 EQ modes


  • Inputs: XLR, RCA, Bluetooth
  • THD+N: 0.003%
  • SNR: 111dB
  • Channel separation: 96dB
  • Input sensitivity/input impedance: 250mV/47kΩ
  • Output power: 150Wx2 (2Ω), 90Wx2 (4Ω), 50Wx2 (8Ω)
  • Power consumption: 40W (normal volume)
  • Standby power: 0.5W
  • Dimensions: 7.3 x 6 x 1.5” (187.5 x 154 x 40mm)
  • Weight: 2.1 lbs (0.96kg)

What’s included

  • SMSL DA-9 amplifier
  • Remote control
  • Power cord
  • User manual
  • Warranty card
  • Bluetooth antenna

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