Audited Supplier
3.5NFS25A-4
0
Passive
No
Stage
CE, RoHS, FCC
30 W
60 W
138-19000 Hz
1 Inch Ccaw
90 dB
4 Ohm
Neodymium
Aluminium
CI
Carton
220x220x158 mm
China
8518290000
Product Description
Full Range Speaker 3.5 Inch Neodymium 60Watt 
- 1 INCH COPPER VOICE COIL
- 90 dB/SPL SENSITIVITY
- 60 WATT PROGRAM POWER HANDING
- FEM OPTIMIZED MOTOR AND SUSPENSIONS
- OPTIMIZED COOLING SYSTEM
- DOUBLE SPIDER
- RESONANCE FREE AND HEAVY DUTY BASKET DESIGN
GENERAL SPECIFICATIONS
SMALL SIGNAL PARAMETERS
SHIPPING INFORMATION
| Nominal diameter | mm (in.) | 94.1(3.5) |
| Nominal impedance | Ω | 4 |
| Minimum impedance | Ω | 4 |
| Program power (1) | W | 60 |
| AES Power rating(2) | W | 30 |
| Sensitivity (3) | dB | 90 |
| Frequency range | Hz | 138~19000 |
| Voice coil diameter | mm (in.) | 25.4 |
| Chassis material | Plastic | |
| Magnet material | Neodymium | |
| Magnet dimensions (ODxIDxh) | mm | 24.5 x 8 1 pcs |
| Coil material | CCAW | |
| Former material | Paper | |
| Xmax(4) | mm | 1 |
| Xmech(5) | mm | 2 |
| Gap height | mm | 4 |
| Voice coil Wingding height | mm | 4 |
SMALL SIGNAL PARAMETERS
| DC resistance | Re | Ohm | 3.5 |
| Resonance frequency | Fs | Hz | 138.6 |
| Moving mass | Mms | g | 2.2 |
| Compliance | Cms | mm/N | 0.5 |
| Force factor | BL | N/A | 2.7 |
| Mechanical Q-factor | Qms | 3.0 | |
| Electrical Q-factor | Qes | 0.94 | |
| Total Q-factor | Qts | 0.72 | |
| Equivalent air volume | Vas | I | 2.1 |
| Voice coil Inductance | Le | mH | 0.4 |
| Diaphragm area | Sd | cm² | 50 |
| Reference efficiency | Eta 0 | % | 0.58 |
SHIPPING INFORMATION
| Net weight | Kg | 0.18 |
| Multipack size (1) (W x D x H) | mm | 445 x 3420 x 216 |
| Multipack weight | Kg | 7.8 |
Quality Assurance
Since the raw material sent in untill the speaker sent out, every aspect of them will be fully checked.
We have many advanced test equipments to measure the quality of products. No defectives will be send out.
Our company have a nice quality control managing system(QC) that have strict management of products and staffs.
FAQ
1.Q: Are you a factory or trading company?
A: We are a manufacturer with our own factory ,we have more than 15 years experience.
2.Q: Can you do OEM and ODM?
A: Yes, both. We can put your idea into products.
3. How many days do you need to prepare the goods?
We need about 20-25 working days for large order.
