REL Acoustics HT/1205 MKII - Active Subwoofer

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Black subwoofer with 'REL' branding on a white background

REL-Acoustics-HT-1205-MKII-Front-Angled-View-Hero

Back view of a black audio subwoofer with REL branding on a white background

Black cube-shaped object with 'REL' branding on a white background

REL Acoustics HT/1205 MKII - Active Subwoofer

REL Acoustics HT/1205 MKII - Active Subwoofer

Every order includes

Free lifetime tech support
60-day price-drop protection
60-day returns

Rs. 150,000.00

Deep, Musical Bass Power for Home Theater & Music The REL HT/1205 MKII delivers class-leading low-frequency extension while staying precise and dynamic. With a long-throw 12″ CarbonGlas™ driver and a 500W RMS Class D amplifier, it offers strong output down to –6 dB at 22 Hz—so you get bass you...

Categories : Best Sellers, Newest Products, Speakers, Subwoofer

REL Acoustics HT/1205 MKII - Active Subwoofer

Overview
Technical Specification

Deep, Musical Bass Power for Home Theater & Music

The REL HT/1205 MKII delivers class-leading low-frequency extension while staying precise and dynamic. With a long-throw 12″ CarbonGlas™ driver and a 500W RMS Class D amplifier, it offers strong output down to –6 dB at 22 Hz—so you get bass you can feel in movie soundtracks, without losing clarity in music. The sealed (acoustic suspension) front-firing cabinet keeps distortion low, letting the subwoofer stay tight and accurate even at high volumes.

Built Tough, Tuned for Flexibility

Finished in a premium line-grained composite cabinet with a high-gloss lacquer top plate, the HT/1205 MKII bridges style with strength. It includes level, crossover (30-200 Hz), and phase controls (0°/180°) for precise blending with your main speakers. Wired inputs/outputs include stereo Low-Level RCA and LFE, with optional HT-Air wireless module for clean wireless sub integration. Weighs about 19.6 kg (≈ 43.2 lb), and its compact footprint of 413 × 387 × 438 mm means it doesn’t dominate your room.

Product Highlights:

Driver: 12-in (300 mm) front-firing CarbonGlas™ long-throw woofer with inverted carbon fibre center cap
Amplifier Power: 500 W RMS Class D (NextGen5 design)
Frequency Response: –6 dB at 22 Hz low frequency extension
Cabinet Type: Sealed / acoustic suspension, front-firing driver
Finish: Line-grained composite cabinet sides, high-gloss lacquer top plate (5 coats)
Controls: Level, low-pass crossover (30-200 Hz), 0° / 180° phase switch, standby mode with signal sensing
Inputs / Outputs: Dual low-level RCA inputs (one can be LFE), plus daisy chain low-level RCA outputs; optional wireless module (HT-Air)
Size: 16.25″ W × 15.25″ H × 17.25″ D (413 × 387 × 438 mm)
Weight: ~ 43.2 lb (≈ 19.6 kg)

Features & Specifications
GENERAL
Model	REL Acoustics HT/1205 MKII
Type	Active Subwoofer (Home Theater / Music)
Design	Front-firing driver with down-firing passive radiator
DRIVER & AMPLIFIER
Driver Size	12" (305 mm) long-throw CarbonGlas™ driver
Amplifier Power	500 Watts RMS (Class D)
Passive Radiator	12" (305 mm) Continuous Cast Alloy Cone
PERFORMANCE
Frequency Response	22 Hz – 200 Hz (-6 dB)
Input Impedance	Low Level: 10k ohms; LFE: 200 ohms
Low Pass Filter	40 Hz – 200 Hz (continuously variable)
INPUTS & CONNECTIVITY
Inputs	Stereo RCA, LFE RCA, LFE XLR
Wireless Option	Compatible with REL HT-Air Wireless (optional)
PHYSICAL
Cabinet Finish	Black Textured Composite with 5-Coat Hand-Rubbed Lacquer Top
Dimensions (H × W × D)	413 × 387 × 438 mm
Weight	19.6 kg