Powerful Sounding Subwoofer: Q Acoustics 2070Si Review 2022

Q Acoustics is an independent British company that manufactures loudspeakers and was founded in 2006. They are well-known for designing and manufacturing high-quality speakers at a low cost. Their product line has had tremendous success and has a genuine appealing sound. The Q Acoustics 2070Si subwoofer was designed to complement the award-winning 2000i series, so reviewers and users alike had high expectations for this piece.


  • Affordable price.
  • Good bass extension.


  • Might experience a loud humming noise in that case the subwoofer will have to be changed or replaced.

Editor Rating


Need An Affordable Subwoofer Which Matches The Expensive Standards?

The Q Acoustics 2070Si is equipped with two 17cm drivers, each powered by a highly efficient mono class D amplifier. It has a 140-watt power output, allowing it to produce powerful songs. Its bass extension is precise and highly effective, thanks to improvements from previous award-winning versions such as a 25mm tweeter, new crossovers, and a different cone material; carbon fibre and ceramic coated paper cone. The 2070Si weighs about 15kg and comes in a tall, slender design in black, walnut, gloss white, or black.

This speaker, which is part of the new I range, is a fully Digital Signal Processing (DSP) driven system that ensures highly optimised sound results. This feature is uncommon in a subwoofer in this price range. Power, volume, and crossover control are all available on the Q Acoustics 2070Si Subwoofer. The crossover control modifies the subwoofer’s frequency response (50 Hz – 150 Hz) and optimises it for use with ported speakers such as the Q Acoustic range or other models.

The 2070Si is covered by a two-year warranty that can be redeemed at any authorised Q Acoustics retailer. The new Q Acoustics 2070Si, with its precise bass extension, is an excellent addition to a home theatre system as well as two-channel music. The device is compatible with the Q Acoustic 2010i, Q Acoustic 2020i, Q Acoustic 2050i, Q Acoustic 2000Ci, and any other high-quality speakers.

2070Si is a powerful subwoofer which will add extra low-frequency weight to your movies and music, making them hugely entertaining and more realistic.

Well made and sounds perfect. doesnt exaggerate any part of the frequency range.

Best Q Accoustic sonic performance ever.

Completed my home cinema system with the superb Q Acoustics 2070Si subwoofer and really felt the difference in both films and music.

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