The HTM81 D4, our largest centre-channel model adopts the Biomimetic Suspension system and 6in (150mm) FST midrange cone used in 802 D4 and 801 D4. To ensure perfect optimisation with 801 D4, it also includes the silver-topped pole piece found in that model’s midrange motor system. Finally, it adds an internal aluminium midrange enclosure to provide a perfect mechanical location for that...

For listeners who prefer a more conventional aesthetic but crave the performance of an 800 Series Diamond loudspeaker, the 804 D4 is the perfect choice. Its new reverse-wrap cabinet follows the proven design principles established by its larger siblings

The 803 D4, our most compact headed model brings all the technical advantages of a dedicated midrange enclosure to a smaller footprint that’s easily accommodated in any home. Small doesn’t mean compromised, either: 803 D4 still bristles with technical innovation throughout.

The 802 D4 offers much of the performance of 801 D4, included the same turbine Head enclosure for its midrange cone, yet is more affordable overall. Perfect for reference-grade stereo listening and also an excellent choice in home theatre applications.

The 805 D4 standmount loudspeaker is the most compact model in the 800 Series Diamond range, but it’s still packed with advanced technologies, including that all-important Diamond dome tweeter and Solid Body Tweeter-on-Top. It’s proof positive that small can still be beautiful.

The loudspeaker that sets the standard all high-end designs will be judged for years to come. Endowed with every new key technology introduced in the models below it plus an extensive array of further enhancements its performance, the 801 D4 also marks the return to our portfolio of one of our most iconic model names. 

Sized to match the 804 D4 and 803 D4, the HTM82 D4 introduces the new reverse-wrap cabinet design for superior cabinet stiffness. Its 5in (130mm) FST midrange cone adds the Biomimetic Suspension, as with all other three-way speakers in the new range. Its midrange drive unit is ideally sized to match its siblings and its ample output will ensure a seamless listening experience.