Definitive Technology Descend DN8 Powered Subwoofer

Small and mid-size rooms get deep, clean bass from the Definitive Technology Descend DN8, a compact 8 in powered subwoofer with 3XR passive radiator architecture.

An 8 in long-throw woofer and two 8 in passive radiators play down to 35 Hz (+/-3 dB), driven by a Class D amplifier rated 200 W continuous and 500 W peak. LFE and left/right speaker inputs, a 60 to 120 Hz low-pass control and a 0/180 degree phase switch ease integration.

Key Features

• 8 in woofer: Long-throw, with dual 8 in passive radiators
• 3XR architecture: Radiators instead of a port, no port noise
• Class D amplifier: 200 W continuous; 500 W peak
• Frequency response: 35 Hz – 200 Hz (+/-3 dB)
• Low-pass crossover: 60 Hz – 120 Hz
• Phase: 0 / 180 degrees
• Inputs: Single RCA LFE; left/right 5-way binding posts
• Colors: Glacier White and Midnight Black

Ideal For

• Home theater: compact bass
• Music rooms: clean low end
• Small spaces: 12.8 in cabinet

Definitive Technology Descend DN8 8 in Powered Subwoofer, Dual Passive Radiators, Class D, 500 W Peak, 35 Hz Specifications

Definitive Technology Descend DN8 technical specifications, grouped by feature

Specification	Details
Acoustic Performance
Frequency Response (+/-3 DB)	35 – 200 Hz
Amplification & Power Handling
Amplifier Type	Class D
Connectivity
Inputs	Single RCA LFE; left/right 5-way binding posts
Power
Power Supply	Internal, 120 V / 240 V switch
Physical & Mounting
Dimensions (W x D x H)	12.8 x 12.0 x 13.1 in (324.8 x 305.8 x 331.6 mm), cabinet only
Weight	27.3 lb (12.4 kg)
Additional Features
Transducer	8 in long-throw woofer
Passive Radiators	Dual 8 in, 3XR configuration
Peak Power	500 W
Continuous Power (RMS)	200 W
Low-Pass Crossover	60 – 120 Hz
Phase Adjustment	0 / 180 degrees
Controls	Auto/off power; volume; low-pass; phase
General
Brand	Definitive Technology
Model	Descend DN8
Manufacturer Part Number	DN8
UPC	747192132552

Specifications are verified against the Definitive Technology manufacturer data sheet (October 2026) and may change without notice. Confirm critical requirements with Definitive Technology before ordering.

Warranty & Support

• Definitive Technology warranty: Drivers 5 years; amplifier 3 years

Planning a multi-room or multi-site install? Request a quote from Robertson AV for 5 or more units, or call us at 800-919-6548 or email orders@robertsonav.com. Free ground shipping on U.S. orders. Schools, businesses, government agencies and houses of worship: ask us about project and quantity pricing.