The Bose LT 4402 is a mid‑high frequency speaker designed for medium to long‑range projection in venues such as theaters, stadiums, and outdoor spaces. It features a 44° × 38° diffusion angle, dual V2 mid‑frequency drivers, a 1.4‑inch high‑frequency compression driver, and a robust 10‑layer enclosure with 16 stainless‑steel mounting points.
This manual covers product overview, key features, detailed technical specifications, mechanical dimensions, mounting options, safety and compliance information, warranty terms, and a list of repair parts. It also explains how to configure the speaker for passive full‑range or dual‑amplifier operation and provides measurement procedures for performance testing. This manual is written in Chinese.
| Power handling (mid) | 140 W |
|---|---|
| Power handling (high) | 75 W |
| Impedance | 8 Ω |
| Sensitivity (1 W @ 1 m) | 108 dB SPL |
| Maximum SPL | 130 dB SPL |
| Frequency response (±3 dB) | 180 Hz – 16 kHz |
| Diffusion angle (H × V) | 44° × 38° |
| Dimensions (D × W × H) | 610 mm × 471 mm × 884 mm |
| Weight | 50 kg |
The Bose Panaray LT 4402 speaker is covered by a 5‑year limited warranty.