1. OEM & ODM : yes  
2. Type : midrange speaker
3. Outer diameter : 118mm  ( 4" )
4. Impedance 8 Ω
5. Rated power 25 w
6. Max power 50w
7. SPL 85dB @ 1w/1m 2.83v
8. Frequency range 77HZ-18KHZ
9. Certification CE, ISO,RoHs
10. Place of original :Dongguan ,China (mainland)

Description:

This speaker belongs to midbass type , focus on playing the frequency between 77 Hz to 18000 Hz , was build with neodymium magnet , that's could offer a powerful magnetic field to the speaker systems , aluminum phase plug inside the top , that can helps the midrange voice showing better , paper cone and rubble surround let all

the system in a full sealed condition , for one hand it is one of the parts for the speaker , for nother hand it is for protecting the rubbish go into the system and affect the it , rated power 25 w , max power 50 w , that is a formal power , could use for any device .

Applications:

This midrange speaker,use for home audio system ,convenient install ,it can with a low bass speaker and

tweeter configuration .  no matter play what kind of music , that's sounds clear , crisp , true, no mixed music , inner with the sealed conditon you will sounds the voice is very perfect  .