REL Acoustics HT/1003 MKII Subwoofer

Our Take 

The HT/1003 MKII packs massive power in a sleek, compact design—playing TWICE as loud as the original. Earth-shaking performance at an unbeatable value.

• 300-Watt Class D Amplifier
• 10" CarbonGlas™ Driver
• Body is finished with a line-grained composite
• Home Theatre Ready

The REL HT/1003 MKII: Power and Refinement in a Compact Package
If your budget or room size limits your options, the HT/1003 MKII stands out as one of the most significant enhancements in the entire HT lineup. This subwoofer offers an impressive boost in output—delivering up to 10dB more headroom than its predecessor, which translates to twice the perceived volume. The result is effortlessly powerful, dynamic bass that sets a new standard for performance in its class.

Like its larger siblings, the HT/1003 MKII benefits from the full suite of MKII enhancements. An upgraded secondary filter lets the subwoofer handle higher-frequency energy, making cinematic effects like explosions even more impactful. REL’s all-analogue PerfectFilter™ extends the lowest frequencies, while an analogue subsonic filter protects from potentially damaging signals below 20Hz. Improvements to the driver, amplifier, and filter technologies combine to create a subwoofer that’s not just powerful, but musically engaging as well.

Product Details 

Sophisticated Cabinet Design
The HT/1003 MKII is housed in a newly-designed cabinet with fresh materials, proportions, and detailed finishing previously unseen in this price segment. Its lower, sleeker form is inspired by REL’s Reference models, resulting in faster, deeper bass alongside striking visual appeal. The top surface is finished in five layers of hand-polished piano black lacquer, adorned with a subtle REL logo. The cabinet’s body showcases horizontally streaked, line-grained composite panels, giving it a refined and distinctive presence.

This subwoofer doesn’t just look impressive; it pairs seamlessly with Serie T/x or Serie S models for immersive HT-3D setups, making it a versatile choice for both dedicated theater rooms and multi-purpose spaces. The HT/1003 MKII offers a stylish, high-performance solution for those seeking premium home theater sound without exceeding their space or budget constraints.

Tech Specs

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