Item : ALI-GB001
Speaker system: 2.0
Peak power:2*2w
Rated power:2*1.5w
Frequency range:45HZ-18KHZ

Item : ALI-MPS-127
Loudspeaker output: 2W
Sensitivity:82±3db
Loudspeaker Impedance:4Ohms±15%

 Item :ALI-MPS-150 Loudspeaker
output :2W sensitivity:82 + 3dB
Speaker Impedance : 4Ohms + 15%
Distortion :0.5%
Lithium ion battery output :3.6V ;

 Item : ALI-SD-TF6
1)Output Power: 2.4W
2)Rating Power: 1.8W
3)Frequency response: 100Hz-20KHz
4)Speaker: 20*27mm micro speaker

 Item : ALI-SD-TF8
Output Power: 2.4W
Rating Power: 2W
Frequency Response:100Hz-20KHz
SNR>85db

 Item : ALI-SD-TF9A  
 Output Power: 2.4W
Rating Power: 2W
Frequency Response:100Hz-20KHz
SNR>85db

 Item : ALI-SD-TF9B
Output Power: 2.4W
Rating Power: 2W
Frequency Response:100Hz-20KHz
SNR>85db