Definitive Technology Descend DN15 15" Subwoofer - New 3XR Architecture and Intelligent Phase Control, 1500W Peak Class H Amplifier & (2) Pressure-Coupled 15" Bass Radiators

Definitive Technology Descend DN15 15" Subwoofer - New 3XR Architecture and Intelligent Phase Control, 1500W Peak Class H Amplifier & (2) Pressure-Coupled 15" Bass Radiators

The Definitive Technology Descend DN15 is a high-performance 15" subwoofer designed to deliver exceptional bass output and clarity in a compact enclosure. At its core is a 15" long-throw woofer, which is responsible for producing deep, impactful low frequencies. This driver is paired with two pressure-coupled 15" passive radiators, forming the innovative 3XR Architecture. This unique configuration triples the bass-radiating surface area compared to a traditional single-woofer design, allowing the DN15 to move more air and achieve louder, lower bass without the distortion often associated with ported subwoofers.

The heart of the DN15's power is its advanced Class H digital amplifier, which delivers up to 1500 watts of peak power (500 watts RMS). This amplifier is engineered to provide continuous, clean output for sustained bass notes, while also supplying extra power for dynamic peaks like drum hits or cinematic explosions. The amplifier is managed by an advanced 56-bit Digital Signal Processor (DSP), which monitors and optimizes the subwoofer's performance in real time, preventing distortion and protecting the woofer even at high volumes.

To ensure seamless integration with any audio system, the DN15 features Intelligent Phase Control, offering a full 360 degrees of customizable phase adjustment. This allows users to precisely align the subwoofer's output with their main speakers, minimizing group delay and ensuring a natural, cohesive listening experience. Together, these components create a subwoofer that combines power, precision, and flexibility—delivering room-shaking bass with remarkable clarity and control.

Product Highlights

• 15" long-throw polypropylene woofer for deep, dynamic bass
• Dual 15" pressure-coupled passive radiators (3XR Architecture) for increased output and clarity
• 3XR Architecture triples the radiating surface area for massive bass in a compact enclosure
• Class H digital amplifier delivers 500W RMS / 1500W peak power
• Advanced 56-bit DSP for real-time monitoring and distortion prevention
• Frequency response: 20–150 Hz (±3 dB)
• Intelligent Phase Control with 360° customizable phase adjustment
• Variable low-pass crossover: 40–150 Hz
• Front-firing woofer and side-firing passive radiators
• Inputs: Stereo RCA, dedicated LFE, and speaker-level binding posts
• Remote control included for convenient adjustments
• Elegant, acoustically optimized cabinet design
• Dimensions: 24-15/16" H x 23-7/16" W x 25-3/16" D
• Weight: 114.6 lbs (52 kg)
• 5-year warranty on speaker parts, 3-year warranty on amplifier parts