Definitive Technology’s units have aluminum tweeters – they are durable and can prevent corrosion and pitting. Any model can be mounted on a wall, a shelf, or a special stand.
The company delivers bipolar bookshelf speakers that are able to enhance surround sound for music, movies, and TV programs. They disperse it on all fronts making the sound field wider. The speakers have planar low-frequency radiators to provide more saturation in the bass section.

All the products are manufactured with the use of custom components – waveguides, die-cast baskets, coils, and magnets. They make the speakers durable and stable.

The following best definitive technology bookshelf speakers reviews include the monitor-quality passive models from Pro and Demand Series. The latter one is produced with an 8-ohm impedance only and have 1-inch dome tweeter.

You can also look through the best bookshelf speaker reviews that cover the best speakers from all leading brands.

Best Definitive Technology Bookshelf Speakers Reviews

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Definitive Technology ProMonitor 800 – Stylish and Sturdy Building, Neutral Sound

Definitive Technology ProMonitor 800
The model has the dimensions of 5 x 4.8 x 8.4 inches and it is equipped with the 4.5-inch woofer to produce powerful bass and midrange. It comes with optional gloss black or white cabinet.

This model demonstrates 89dB efficiency (a measure of a speaker’s loudness at 1m if driven with 1W of power) that is not very much but enough to create a good listening environment in a small room. Its bass is unexpectedly deep and tight but mostly at the moment when the low frequencies start blending into the mid ones. The speakers manage to reproduce the natural sound without coloration that let one recognize either jazz or vocals for what they are.

Pros

  • Great versatility: the speakers can be used as front height channels in an 11.2 home theater set up or as Dolby Atmos speakers in a 7.2.4 set-up (for this purpose, it would be better to mount them on the ceiling and choose the angle towards the listener).
  • They are designed to eliminate resonance.

Cons

  • The speakers have limits at low frequencies – a high-quality sub is required to not only make the sound louder but to improve lows.
  • The sound quality depends on the unit’s location – the sound degrades when mounting the speaker on the wall.

Definitive Technology ProMonitor 1000 – Great for Stereo and Home Theaters

Definitive Technology ProMonitor 1000
While making definitive technology audio speakers comparison, the ProMonitor 1000 model could not be overlooked. It is rather tall but still compact (6.5 x 6.3 x 10.9 inches) and has a rounded synthetic cabinet instead of the common rectangular MDF closures. The removable grille both covers the front and reaches up to the top. The recessed, gold plated 5-way binding posts add the stylish design.

When hooking it up to the receiver, choose the crossover level about 80Hz or a bit more (up to 100Hz) to make the adjustments and to avoid sound integration to the external subwoofer. Trebles and midranges are well articulated and defined. High 91dB efficiency enhances the speakers’ power and loudness.

The ProMonitor 1000 produce open and smooth sound and powerful bass even at a high volume. Certainly, it’s not booming enough when reaching the lowest notes, but it is hardly possible for any the bookshelf model. This unit is perfect as stereo speakers either with or without a sub to use it in small and medium spaces. They can be connected to a home theater system as mains or surrounds.

Pros

  • Comes with a pre-installed stand screwed onto the bottom, the manual, and a small black insert.

Cons

  • Many fingerprints and smudges on the gloss piano black surface (the speakers need high maintenance).

Definitive Technology Demand Series D9 – Style and Innovative Features

Definitive Technology Demand Series D9
This model’s dimensions of 12 x 6.5 x 11.8 inches are rather huge for many bookshelf speakers. However, the company made a step up not only in size but also in it’s appearance. The speaker’s finish is gloss – the result of 5 coats of paint (the similar tech is used for painting premium cars).

It has the active 5.25-inch bass/midrange driver. The model is remarkable for its tweeter – it is not centered naked in its mounting plate like the majority of them but is offset by 50 to avoid symmetric diffraction off the corners of the front baffle.

The D9 delivers awesome full sound and perfect stereo imaging. The sound is clear and has no distortions at any frequencies and loudness.

Pros

  • Mesh great with the other manufacturers’ components of the stereo system.
  • Do their job being hooked up even to the entry-level amps.

Cons

  • Need an extra stand to provide the recommended 30-inch height from the floor.