The all aluminum alloy X1 is our very best premium speaker. It is used with the P-SB7 (all versions), P-SB11,  APF Processor, DAS-ANC, and ANC-Mini. The sound quality enables a more clear spirit response that can be better heard and deciphered by the user. There is a volume control ring around the top of the X1 for easy volume adjustment.  1. Rechargeable 600mAh Battery provides up to 6hrs of use.
2. Power Rating: 3.5W
3. Frequency Response: 50Hz-20KHz
4. Speaker: 40mm
5. Uses a Smart switch to select Bluetooth or 3.5mm Line-In
Note: All of our Paranormal Products utilize 3.5mm audio line-in