Definitive Technology AW-450 Dymension Outdoor Black Surface-Mount Speaker Pair

Patios, decks and poolside areas get weatherproof sound from the Definitive Technology Dymension Outdoor AW-450 (AW-450BLK), a pair of black surface-mount speakers.

A 1 in aluminum oxide dome tweeter, a 4.5 in mineral-filled woofer and a 4.5 x 6 in pressure-coupled bass radiator in a rigid mineral-filled enclosure give 86 Hz – 24 kHz response at 85 dB. The IP66 rating handles the weather, and the wall bracket adjusts +/-60 degrees in one plane.

Key Features

• IP66 rated: All-weather construction
• Tweeter: 1 in aluminum oxide dome
• Woofer: 4.5 in mineral-filled
• Bass radiator: 4.5 x 6 in pressure coupled
• Frequency response: 86 Hz – 24 kHz (-3 dB)
• Sensitivity: 85 dB (2.83 V / 1 m), 4 ohms
• Wall mount: +/-60 degree adjustment in one plane
• Warranty: 5 years

Ideal For

• Patios and decks: weatherproof
• Pools: IP66 rating
• Restaurants: outdoor dining

Definitive Technology Dymension Outdoor AW-450 4.5 in Surface-Mount Speakers, IP66, 86 Hz – 24 kHz, Black (Pair) Specifications

Definitive Technology Dymension Outdoor AW-450 technical specifications, grouped by feature

Specification	Details
Acoustic Performance
Drivers	1 in aluminum oxide dome tweeter; 4.5 in mineral-filled woofer
Frequency Response	86 Hz – 24 kHz (-3 dB); 65 Hz – 32 kHz (-10 dB)
Sensitivity (2.83 V / 1 M)	85 dB
Nominal Impedance	4 ohms (8 ohm compatible)
Amplification & Power Handling
Recommended Amplifier Power	20 – 100 W
Connectivity
Input	1 pair of 5-way binding posts
Physical & Mounting
Color	Black
IP Rating	IP66
Enclosure	Rigid mineral-filled
Dimensions	6.6 W x 8.0 D x 11.4 H in (168 x 202 x 290 mm)
Product Weight	5.5 lb (2.5 kg)
Shipping Weight	13.2 lb (6.0 kg)
Additional Features
Pressure-Coupled Bass Radiator	4.5 x 6 in
General
Brand	Definitive Technology
Model	Dymension Outdoor AW-450
Manufacturer Part Number	AW-450BLK
UPC	747192142506

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: 5 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.