Complaint
Power 20W 4ohm 120mm round shape big size hot sale grey low frequency full range waterproof car truck speaker with CE
1.Specifications
| Sound pressure | 88±3(A)AT 1m/1w |
| VOICE COLL IMP | 4Ω |
| RESONANT FREQ | 110±20% HZ |
| Temperature | -25°C ~ 55°C |
| RATED POWER | 20W |
| MAX POWER | 40W |
| Weight | 560g |
NO. |
ITEM |
SPECIFICATION |
TESTING CONDITION |
| 1 |
NOMINAL SIZE | φ120MM | |
| 2 |
VOICE COLL IMP | 4Ohm ±15% | |
| 3 |
RESONANT FREQ | fo 110±20% HZ | |
| 4 |
OUTPUT S.P.L | 88±3dB | AT 1m/1w MEASUREMENT |
| 5 |
FREQ RESPONSE | fo~ 4K Hz -10dB | -10dB |
| 6 |
RATED POWER | 20W | |
| 7 |
MAX POWER | 40W | |
| 8 |
DISTORTION | ≤ 7 %Max | |
| 9 |
OPEARTION |
MUST BE NORMAL | PROGRAM SOURCE 0.1 W |
| 10 |
NOISE |
MUST BE NORMAL | SIN WAVE 3.1 V |
| 11 |
HEAT TEST | AFTER TEST MEET ITEM 8,9 | 55± 2ºC 16 HOURS |
| 12 |
HUMIDITY TEST | AFTER TEST MEET ITEM 8,9 | 40±2ºC 90~95%RH 48 HOURS |
| 13 |
LOAD TEST | AFTER TEST MEET ITEM 8,9 | 15W 100 HOURS |
| 14 |
MAGNET | Ф70XФ32X10 MATERIAL SIZE | |
| 15 |
TOTAL FLUX | MAX WELL | |
| 16 |
FLUX DENSITY | GAUSS | |
| 17 |
POLARIZATION | When a positive DC current is applied to the terminal marked(+),diaphragm shall move forward | |
| 18 |
NET WEIGHT | 560g |
46.5*42*32 cm
1000 pieces per carton
Neutral packing
