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.
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.
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.
| 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, 6.5" mineral filled woofer , 5.5" x 10" pressure-coupled bass radiator |
| Frequency Response (-3dB) | 68 Hz –24 kHz |
| Frequency Response (-10dB) | 44 Hz –32 kHz |
| Sensitivity (2.83Vrms/1m) | 87 dB |
| Nominal impedance | 4Ω (8Ω compatible) |
| Recommended amplifier power rating | 20-120W |
| Dimensions (in) H x W x D | 20.1 x 11.9 x 10.7 |
| Product Weight (lb) | 10.8 |
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