Loa gắn trần PC-2668
| Rated Input | 6 W (for 100 V Line), 3 W (for 70 V Line) |
| Rated Impedance | 100 V Line: 1.7 kΩ (6 W), 3.3 kΩ (3 W), |
| (6.7 kΩ (1.5 W), 13 kΩ (0.8 W): Internal wiring must be changed) | |
| 70 V line: 1.7 kΩ (3 W), 3.3 kΩ (1.5 W), | |
| (6.7 kΩ (0.8 W), 13 kΩ (0.4 W): Internal wiring must be changed) | |
| Sound Pressure Level | 90 dB (1 W, 1 m, 330 Hz – 3.3 kHz Pink noise) |
| Frequency Response | 100 Hz – 16 kHz |
| Speaker Component | 12 cm dynamic cone-type speaker |
| Speaker Mounting Method | Spring catch |
| Applicable Cable | |
| 600 V Vinyl-insulated cable (IV wire or HIV wire) | |
| Solid copper wire: φ0.8 – φ1.2 mm | |
| 7-core twisted copper wire: 0.75 – 1.25 m㎡ | |
| Connection | Push-in connector (Bridging terminal-2 branch type) |



