REL Acoustics HT/1205 MKII Subwoofer

Product Description

The REL HT/1205 MKII Subwoofer, dubbed "The Cannon," redefines affordable home theater performance with explosive bass and remarkable precision. Designed for movie and gaming enthusiasts, this 12" subwoofer from REL’s Serie HT delivers chest-rumbling low-end powered by a 500W Class D amplifier and a lightweight CarbonGlas™ driver.  With a sleek, modern design and optional wireless connectivity, the HT/1205 MKII is a versatile, high-value addition to any home theater or music system.  

Key Features  

• 12" CarbonGlas™ Driver: Lightweight, long-throw 12" (300mm) driver combines glass fiber and carbon fiber for a stiff, pistonic cone, delivering fast, powerful bass. 
• 500W Class D Amplifier: NextGen5 Class D amp with 800W MOSFET modules ensures dynamic, reliable performance with cool operation and longevity.  
• Low Frequency Extension: Reaches down to -6dB @ 22 Hz for deep, immersive bass that enhances movies, games, and music.  
• Home Theater-Optimized Filters: PerfectFilter™ technology with analog subsonic filter (starts at 8 Hz) and high-frequency secondary filters delivers flat, realistic bass down to the 20s.  
• Versatile Connectivity: Includes mono RCA LFE/.1 and dual-purpose stereo RCA low-level inputs/outputs for easy integration with AV receivers or stereo systems.  
• HT-Air Wireless Compatible: Add the optional HT-Air Wireless kit (sold separately) for a fast, compression-free 5.8GHz wireless connection with up to 18m range.  
• Sleek, Modern Design: Line-grained black vinyl cabinet with a 12mm hand-polished piano black lacquer top (5 coats) and discreet REL logo for a sophisticated, vibration-damped look.  
• Robust Build: Internally braced MDF cabinet with upgraded suspension and larger magnets ensures durability and controlled output.  
• Auto Power Mode: Signal-sensing standby for effortless operation (standby switch on 220V units only).  
• 3-Year Warranty: Parts and labor coverage

Why Choose the REL HT/1205 MKII?

The HT/1205 MKII sets a new benchmark for affordable home theater subwoofers, delivering explosive output with the speed and subtlety REL is known for. Its upgraded CarbonGlas™ driver, beefed-up components, and robust 500W amplifier produce bass that’s not only loud but also precise, making it ideal for cinematic special effects and surprisingly musical for hi-fi applications. Designed to complement REL’s Reference, Serie S, and T/i subwoofers, it enhances .1/LFE channels for jaw-dropping theater impact. With a compact, stylish cabinet inspired by REL’s Reference models, the HT/1205 MKII offers premium performance at a budget-friendly price, earning praise as a modern classic.  

Product Specifications  

• Driver: 12" (300mm) CarbonGlas™, long-throw, forward-firing, steel chassis  
• Amplifier: 500W RMS NextGen5 Class D (800W MOSFET modules)  
• Frequency Response: -6dB @ 22 Hz  
• Cabinet: Acoustic suspension with black vinyl and piano black lacquer top  
• Inputs: Mono RCA LFE/.1, dual-purpose stereo RCA low-level (input/output)  
• Controls: LFE/.1 level, crossover (30-120 Hz), 0°/180° phase switch  
• Wireless Option: HT-Air Wireless kit (sold separately)  
• Dimensions: 15.25" W x 16.25" H x 17.25" D 
• Weight: 43.2 lbs (19.6 kg)  
• Warranty: 3 years (parts and labor)

What’s Included  

• REL HT/1205 MKII Subwoofer 
• Power cord  
• User manual

Perfect For  

• Home theater enthusiasts seeking powerful, tactile bass for movies and gaming  
• Music lovers wanting a versatile subwoofer with hi-fi precision  
• REL owners looking to boost .1/LFE output in medium to large rooms