REL HT/1003 MKII Subwoofer

🧾 Overview / Summary
The REL HT/1003 MKII is a compact, high-output subwoofer designed for home theater lovers who want powerful, controlled bass without taking over their space. Its 10” CarbonGlas™ driver and 300-watt NextGen5 Class D amplifier deliver room-filling sound down to 24 Hz in a sleek, modern design.

✅ Key Features
✅ Closed-box design with front-firing 10” CarbonGlas™ driver
✅ In-room bass extension down to 24 Hz at -6 dB
✅ 300 watts RMS NextGen5 Class D amplifier for efficient, dynamic output
✅ Dual-purpose RCA inputs (stereo or LFE) with daisy-chain RCA outputs
✅ Fully electronic SET-SAFE™ protection system
✅ Optional wireless operation via REL HT-Air transmitter
✅ Elegant horizontally grained black cabinet with hand-rubbed gloss top plate

📊 Technical Specifications
Parameter Specification
Type Closed box, front-firing driver
Active Driver 10 in. (250 mm), long-throw, CarbonGlas™ cone, inverted carbon fiber dust cap, steel chassis
Passive Radiator N/A
Low Frequency Extension 24 Hz at -6 dB
Input Connectors Dual-purpose Low Level stereo RCA or LFE RCA
Output Connectors Daisy Chain Low Level stereo RCA or LFE RCA
Power Output 300 watts (RMS)
Amplifier Type NextGen5 Class D
Wireless Capability Yes — HT Air (optional)
Dual Parametric Filter N/A
Protection System Fully electronic SET-SAFE™
D.C. Fault / Output Short Yes / Yes
Mains Input Voltage 220–240 V, 110–120 V for certain markets
Fuses 2.5A semi-delay (230V), 5A semi-delay (115V)
Dimensions (W × H × D) 318 × 347 × 351 mm
Net Weight 15.5 kg (34.2 lbs), shipping weight 18.6 kg (41 lbs)
Finish Horizontally oriented lined-grain black composite cabinet with 15mm hand-rubbed high-gloss black lacquer top plate

📦 What’s in the Box
📦 REL HT/1003 MKII Subwoofer
🔌 Mains lead
📖 User manual

🔄 Compatibility
✔ Perfect for home theater systems, AV receivers, and processors via RCA
✔ Optional wireless connection via REL HT-Air transmitter
✔ Ideal for smaller home cinema rooms or multi-sub setups
✔ Delivers punchy, articulate bass with style

📦✈️ Shipping & Returns
📦 Insured worldwide delivery
🔄 14-day return policy
🛡️ 2-year EU warranty

📝 Reviews
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