An amplifier is a device used to play sound that is more useful when it originates from two speakers or channels. The speaker is equipment that improves the signal strength of digital information.

All 2000W or above input power amplifiers are covered in the BIS-CRS Registration Scheme under IS 616 standard mandatory requirement. Amplifiers with Input Power of 2000W and above may not be sold or imported in the India's consumer market without BIS registration.

Brand Liaison provides comprehensive BIS Registration consultancy services for Amplifiers with Input Power of 2000W from beginning to end, including assistance in all documentation formalities with the BIS Office in India