Control 42C是一款超紧凑型吸顶卫星扬声器，设计用于与Control 40CS/T吸顶低音炮配合使用。与Control 40CS/T组合使用时，Control 42C提供音质自然、功率强劲的低音炮-卫星系统，极适合需要宽频带响应、卓越音质表现且对视觉效果影响最小的应用场景。
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| 频率范围 | 140 Hz - 20 kHz |
| 额定功率 | IEC System Long-Term Ratings (low-Z direct): 30 Watts Continuous Program Power 15 Watts Continuous Pink Noise (60W peak), 100 hr |
灵敏度 |
82 dB (1kHz - 16 kHz) |
| Drivers | 60 mm (2.5 in) |
| 覆盖角度 | 160° conical |
| 阻抗 | 16 ohms |
| 输入接口 | Two removeable locking 2-pin connectors with screwdown terminals. |
| Optional Accessories | MTC-RAIL tile rails MTC-42NC New Construction bracket MTC-42MR Mud Ring Construction Bracket |
随附配件 |
C-ring support backing plate, knockout strain relief, cutout template, paint shield. |
| Dimensions (Diameter x Depth) | 127mm Diameter x 94mm Diameter Depth (5.0 in x 4.2 in) |
| Maximum SPL (1m) | 94 dB @ 1 m (3.3 ft) average, 100 dB peak |
| 颜色 | White |
| Safety Agency | Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. |
| Backcan | formed steel (included "blind-mount") |
| Baffle/Rim | ABS baffle with UL94-V0 flame class fire rating. |
| Plenum Usage | Yes, backcan included |
MTC-48TRx12 为配件安装导轨，用于将 JBL 多款吸顶扬声器安装于悬吊式吊顶应用中的 4 英尺 x 4 英尺
（1200 x 1200 毫米；48 x 48 英寸）吊顶板上。
版本 A,
更新: 3月 2026
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