Crestron Ultimate 8 in. Stereo 2-Way All Weather In-Ceiling Dual Tweeter Speaker, White Textured
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PRODUCT DESCRIPTION
Crestron Ultimate 8 in. Stereo 2-Way All Weather In-Ceiling Dual Tweeter Speaker, White Textured - Local Warranty
A single-point stereo in-ceiling speaker made by Origin Acoustics that combines an 8 in. carbon fibre woofer with dual 1 in. dome tweeters in one enclosure, ideal for delivering stereo sound into smaller rooms. Weatherised construction suits decks, patios, locker rooms, saunas, yachts and swimming pool areas.
Key Features
- Single-point stereo: dual tweeters in one speaker enclosure
- 8 in. (203 mm) carbon fibre cone woofer
- Dual 1 in. (25 mm) ceramic-coated aluminium dome tweeters
- IP66 rated for particle and water protection
- 150 W program / 300 W peak power handling, 8 Ohms nominal
- 38 Hz to 20 kHz (±3 dB) frequency response
- Tool-less bayonet mounting, 109 mm (4.29 in.) depth
ULTIMATE IC8-DT-AW-W-T-EACH Datasheet — Technical Specifications
General
| Product Name | Ultimate 8 in. Stereo 2-Way All Weather In-Ceiling Dual Tweeter Speaker |
| Brand | Crestron (made by Origin Acoustics) |
| Part Numbers | ULTIMATE IC8-DT-AW-W-T-EACH (sold singly) |
| Finish | White textured, round grille with white plastic bezel |
Acoustic Performance
| Woofer | 8 in. (203 mm) carbon fibre cone |
| Tweeter | Dual 1 in. (25 mm) ceramic-coated aluminium dome |
| Crossover | 30 dB/oct slope, 3.5 kHz crossover point |
| Impedance | 8 Ohms nominal |
| Frequency Response | 38 Hz to 20 kHz (±3 dB) |
| Frequency Range | 35 Hz to 30 kHz (±10 dB) |
| Power Handling | Program 150 W; Peak 300 W |
| Sensitivity | 86 dB @ 1 W/1 m |
Connections & Construction
| Input | (2) 2-pin pluggable screw terminals |
| Max Wire Size | 12 AWG (3.31 mm²) |
| Baffle | Glass fibre reinforced ABS |
| Grille | Electroplated and powder-coated steel, paintable, magnetically held bezel design |
| Mounting | Tool-less twist-and-lock bayonet mounting system |
Dimensions & Weight
| Diameter without Grille | 244 mm (9.61 in.) |
| Depth | 109 mm (4.29 in.) without bayonet ring; up to 134 mm (5.26 in.) with bayonet ring |
| Round Grille Diameter | 259 mm (10.20 in.) |
| Cutout Diameter | 220 mm (8.66 in.) |
| Weight | 2.39 kg (5.29 lb) |
Environmental & Compliance
| Operating Temperature | -15.5° to 80°C (4° to 176°F) |
| Humidity | 10% to 90% RH non-condensing |
| Ingress Protection | IP66 for particles and water |
| Compliance | CE, RoHS, FCC Part 15 Class B digital device |
Compatibility & Software Support
Compatibility
| Cutout | Ultimate and Reference IC6 and IC8 speakers share the same cutout diameter and are interchangeable |
Optional accessories listed by Crestron (sold separately): square and/or aluminium-coloured grilles, Flush Mount Kit (SPKA-FMKT-IC6/IC8), Preconstruction Mounting Kit (SPKA-PMK-IC6/IC8), New-Construction Template (SPKA-NCTP-IC6/IC8), Fire Rated Back Box (SPKA-BBFR8-IC6/IC8).
Package Contents & Ordering Information
In the Box
- Speaker with round grille (white plastic bezel)
Models
| Configuration | Part number |
| Single stereo speaker, white textured | ULTIMATE IC8-DT-AW-W-T-EACH |
Datasheet & Downloads
| Product page | Crestron ULTIMATE IC8-DT-AW-W-T-EACH product page |
Frequently Asked Questions — ULTIMATE IC8-DT-AW-W-T-EACH
What is a dual tweeter speaker used for?
It places two tweeters in one enclosure to deliver single-point stereo sound, which Crestron describes as ideal for delivering stereo sound into smaller rooms.
How is it wired?
It has two 2-pin pluggable screw terminal inputs, accepting up to 12 AWG wire.
Is it suitable for wet areas?
Yes. It is IP66 rated for particles and water, with weatherised construction for decks, patios, saunas, yachts and pool areas.
What cutout does it need?
A 220 mm (8.66 in.) cutout diameter, with a mounting depth of 109 mm (4.29 in.) without the bayonet ring.
Are other grilles available?
Yes. It ships with a round grille with white plastic bezel; square and/or aluminium-coloured grilles are sold separately.


