... 1. Portable design, convenient to carry 2. Compatible with PC, MP3/4/5, mobile and PSP Stereo Speakers (15Years factory) TL1041. ... amplifier and low-distortion loudspeaker4. Frequency Response:65Hz-20KHz5. Signal to noise ratio: >85dB6. Output: 2.5Wx27. Product size: ... , HD Media Players, Digital Photo Frame, Security DVRS, Mini Speakers, Webcams etc.OEM/ODM Service: Solution design, software, and ...