REL - HT/1205 MKII - Home Theater Subwoofer

REL HT/1205 MKII is a high-output home theater subwoofer engineered to deliver powerful cinematic bass with exceptional speed, control, and precision. Designed specifically for dedicated movie and gaming systems, HT/1205 MKII combines explosive dynamics with refined low-frequency accuracy, producing immersive bass performance that remains balanced, articulate, and effortlessly musical.

With a larger driver, more powerful amplifier, and upgraded internal architecture, HT/1205 MKII delivers remarkable output while maintaining the speed and control that define REL performance. Whether reproducing blockbuster movie soundtracks or demanding gaming effects, it brings scale, impact, and realism without sacrificing clarity or composure.

DESIGN

HT/1205 MKII features REL’s latest cabinet design inspired by the proportions of the flagship Reference Series. The lower, sleeker enclosure contributes to faster, deeper bass performance while maintaining an elegant modern appearance. A rigid line-grained composite cabinet minimizes unwanted resonance while the top panel is finished in five coats of hand-polished piano black lacquer for a refined premium aesthetic.

Available in both Black and White finishes, HT/1205 MKII integrates seamlessly into modern home theater environments and can be combined with REL Serie T/x, Serie S, and Reference subwoofers in advanced HT/3D immersive theater systems.

DRIVER

HT/1205 MKII utilizes a long-throw 12-inch CarbonGlas driver featuring a lightweight glass fibre cone, inverted carbon fibre centre cap, and steel chassis construction. The combination delivers a stiff, lightweight, and highly pistonic driver capable of producing deep, accurate bass with outstanding speed and control.

Larger magnets and upgraded suspension systems allow greater excursion while maintaining composure at extreme output levels. The result is exceptional low-frequency authority combined with the fast, liquid bass response that REL subwoofers are known for.

AMPLIFIER

A high-current 500-watt RMS Class D amplifier provides effortless power and dynamic headroom. Built using upgraded power supplies, heavier circuit boards, and robust MOSFET output devices rated well beyond its continuous output, the amplifier delivers exceptional reliability and impact.

REL’s renowned PerfectFilters technology combines ultra-fast crossover circuits, deep bass extension filters, integrated limiting protection, and an all-analogue subsonic filter beginning at 8Hz. This advanced analogue architecture enables HT/1205 MKII to deliver massive output with outstanding control, realism, and minimal distortion even during the most demanding cinematic effects.

WIRELESS

HT/1205 MKII is compatible with REL’s optional HT-Air wireless system, allowing ultra-fast 5.8GHz wireless LFE transmission up to 60 feet without digital compression. This provides flexible subwoofer placement while eliminating the need for long visible cable runs and preserving the speed and impact of the original signal.

WHAT'S IN THE BOX

• HT/1205 MKII Subwoofer
• Protective Grille
• 6 ft. AC Power Cord
• User Manual & Warranty Information
• Quick Start Guide
• Safety Information

SPECIFICATIONS / DIMENSIONS

Type: Closed Box, Front-Firing Driver
Active Driver: 12 in. (300mm) Long-Throw CarbonGlas Cone Structure with Inverted Carbon Fibre Centre Cap
Amplifier Power: 500 Watts RMS
Amplifier Type: Class D
Low Frequency Extension: -6dB at 22Hz
Inputs: (2) Low Level RCA or (1) LFE RCA
Outputs: Daisy Chain (2) Low Level RCA or (1) LFE RCA
Wireless Capability: HT-Air MKII (Sold Separately)
Finish: Line-Grained Composite Cabinet with High Gloss Lacquer Top
Available Finishes: Black, White
Protection System: Fully Electronic Set Safe
D.C. Fault Protection: Yes
Output Short Protection: Yes
Mains Voltage: 220-240V / 110-120V Depending on Market
Fuse Rating: 4 Amp Semi Delay
Dimensions (W x H x D): 16.25 x 15.25 x 17.25 in. (413 x 387 x 438 mm)
Net Weight: 43.2 lbs. (19.6 kg)