Definitive Technology - Dymension BL-550 - Outdoor Bollard Speaker

The BL-550, Definitive Technology's most compact outdoor bollard speaker, provides powerful sound in a space-efficient design. A 5.5” mineral-filled woofer, premium tweeter, and passive bass radiator deliver every note with depth and clarity. Timbre matched and featuring a rigid, mineral- filled enclosure, the IP56- rated BL-550 seamlessly integrates with Dymension speakers in residential and light commercial settings.

• High-performance Dymension sound
• IP56-rated all-weather protection
• Aluminium oxide dome tweeter and mileral-filled woofer
• Passive bass radiator
• Mounting holes and ground spikes included
• 8Ω/70V/100V settings for commercial & residential installs

Impactful sound for outdoor spaces

The sleek, low-profile BL-550 delivers dynamic, balanced sound, courtesy of its mineral-filled woofer, premium tweeter, and built-in passive bass radiator.

All-Weather Protection

Housed in a rugged, mineral-filled enclosure, the IP56-rated BL-550 withstands harsh conditions while blending into its environment.

Fast, easy residential and commercial installs

Dymension Outdoor bollard speakers provide 8Ω/70V/100V multitap settings for flexibility in distributed systems.

A premium speaker built to withstand the elements

Aluminium oxide dome tweeter for crisp, clear highs

The BL-550’s 1” aluminium oxide tweeter is engineered for unparalleled performance, delivering smooth, extended response and crisp transients and unveiling intricate details in your music with breathtaking clarity.

Mineral-filled woofer for rich, defined mids

A 5.5” woofer reproduces robust, clear sound that fills large outdoor spaces. From detailed mids to vocal nuances, experience every sound in stunning fidelity.

Passive bass radiator for effortless, distortion-free lows

The BL-550’s large (5” x 8”) passive bass radiator moves with air movement inside the speaker to enhance bass response, for powerful lows and dynamic, balanced overall sound.

IP56-rated protection for stunning sound in any reason

Engineered for durability, the BL-550 withstands rain, snow, and dirt to deliver premium sound in any weather.

Hardscape & softscape mounts for secure installation

The BL-550’s flanged base has mounting holes for deck screws or concrete anchors; ground spikes are provided for secure lawn placement

Advanced acoustics

Dymension Outdoor speakers leverage Definitive Technology’s innovative acoustic technologies to deliver clear, precise sound in any outdoor space.

Rugged, durable enclosures

Dymension Outdoor speakers feature rigid, acoustically inert mineral-filled enclosures for protection against the elements.

Timbre-matching

Enjoy seamless sound across your entire audio setup with timbre-matched Definitive Technology Dymension speakers. Whether indoors, outdoors, or in transitional spaces, mix and match speakers confidently for a consistent listening experience.

Specifications

• Mounting: Deck screws or ground spike
• IP rating: IP56
• Technical features: Mineral filled enclosure
• Inputs: Jacketed single cable pigtail Multitap settings for direct-in, 70V & 100V use
• Drivers: 1" aluminium oxide dome tweeter, 5.25" mineral filled woofer​ , 5"x 8" pressure-coupled bass radiator
• Frequency Response (-3dB): 84 Hz –24 kHz
• Frequency Response (-10dB): 55 Hz –32 kHz
• Sensitivity (2.83Vrms/1m): 86 dB
• Nominal impedance: 4Ω (8Ω compatible)
• Recommended amplifier power rating: 20-120W
• Warranty: 5 years
• Dimensions (in) H x W x D: 17.1 x 10.6 x 9.8
• Product Weight (lb): 8.6
• Available Colours: Brown