The dBTechnologies IS 4TB is a sleek and compact passive loudspeaker, specially crafted for high-quality background music and voice reinforcement in permanent installations. As the smallest model in the IS Series, this cube-shaped speaker is designed to deliver excellent audio clarity while blending seamlessly into any environment.
At the heart of the IS 4TB lies a 4” full-range driver with a 1” voice coil, housed in a durable plywood cabinet finished with water-based paint. Despite its minimal footprint, the speaker offers a well-balanced frequency response from 110 Hz to 20 kHz, with a sensitivity of 89 dB and a maximum SPL of 111 dB. It’s perfectly suited for applications such as restaurants, retail stores, offices, hospitality venues, conference rooms, or even residential AV setups.
Engineered for simple and discreet installations, the IS 4TB comes with a dedicated mounting bracket, allowing for quick wall or ceiling mounting. With its wide 110° x 110° dispersion pattern, it provides even audio coverage across the space, minimizing acoustic dead zones.
Available with either Speakon or Phoenix input connectors, the IS 4TB ensures compatibility with standard installation wiring. Its M6 threaded rigging points add further installation flexibility for professional integrators.
This speaker is all about minimal visual impact without compromising on audio quality. With its smooth, clean design, the IS 4TB fits unobtrusively into virtually any architectural style. It’s available in black or white, and the white version can be painted to match the venue’s interior.
Whether installed individually or as part of a distributed audio system, the IS 4TB is an ideal solution for delivering subtle, stylish, and effective sound performance.
Features:
Compact 4” passive installation speaker
Ideal for background music and paging
Full-range 40W RMS / 160W peak power handling
Wide 110° x 110° dispersion for even coverage
Durable plywood cabinet with water-based coating
Comes with wall-mount bracket for easy installation
Available with Speakon or Phoenix connectors
Lightweight and discreet with M6 rigging points
Paintable white version for architectural integration
Perfect for hospitality, commercial, and residential use
Specifications:
| Category | Specification |
|---|---|
| Speaker Type | Passive Fullrange Speaker |
| RMS Power | 40 W |
| Peak Power | 160 W |
| Frequency Response [-6 dB] | 110 Hz – 20,000 Hz |
| Impedance | 8 Ohm |
| Sensitivity (1W@1m) | 89 dB |
| Max SPL | 111 dB |
| LF Driver | 1x 4”, 1” v.c. full-range woofer |
| Dispersion | 110° x 110° |
| Input Connections | Speakon or Phoenix (version dependent) |
| Housing | Plywood, water-painted coating |
| Rigging Points | 2x M6 threaded nuts |
| Accessories | Bracket included |
| Dimensions (WxHxD) | 130 x 130 x 150 mm (5.1 x 5.1 x 5.9 in) |
| Weight | 2 kg (4.4 lbs) |
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