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Here we have the JAMO THX Ultra Surrounds Right and Left Speakers.


Excellent condition.


Complete in non-original box with accessories.

Grills

Free next day delivery.

Description:

The Jamo THX Ultra Surround Left and Right speakers (typically models like the D7 SUR / D600 SUR) are specialised home cinema speakers designed to meet strict THX Ultra / Ultra2 standards. That means they’re engineered not for traditional hi-fi listening, but to recreate the kind of immersive, cinema-style surround sound you’d experience in a commercial theatre.

They use a true dipole design, which is central to how they sound. Instead of projecting audio directly at the listener, the speakers fire sound in multiple directions—forward, backward, and outward into the room. This creates a diffuse, enveloping soundfield where you don’t perceive the speaker as a point source. Instead, effects feel like they’re happening all around you.

Inside, they’re more complex than typical speakers. A unit like the D7 SUR uses:

A central woofer (around 5.5") for midbass
Midrange and tweeter arrays on both sides
Multiple drivers (often five to seven total) arranged to maximise dispersion

Each side of the cabinet has its own midrange/tweeter combination, which helps spread sound widely across the room. The central woofer avoids the phase-cancellation issues that older dipole designs sometimes had, giving better bass integration.

They’re designed to be wall-mounted at the sides of the listening area, typically slightly above ear level. When placed correctly, they create a 3D soundfield, with audio wrapping around the listener rather than coming from a specific direction.

Tonally, they are timbre-matched to the front speakers (like the Jamo THX LCR models), meaning sounds moving around the room stay consistent in character.

In terms of performance, they are:

  • Highly diffuse and atmospheric, ideal for movie effects
  • Very dynamic, capable of cinema-level volume without distortion
  • Clear and detailed, especially for ambient effects like rain, crowds, or flyovers
  • Not designed for precise stereo imaging or standalone music listening

Like all THX systems, they’re intended to be used with a subwoofer and crossed over at around 80 Hz, so they don’t handle deep bass themselves but integrate into a full system.

Conclusion:

Jamo THX Ultra surround speakers are purpose-built cinema tools. Their dipole design and multi-driver layout prioritise immersion over pinpoint accuracy, creating a wide, enveloping soundfield that makes films feel far more realistic and cinematic—exactly what THX systems are designed to achieve.

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