About product and suppliers:
            159 line preamplifier products are offered for sale by suppliers on Alibaba.com, of which amplifier accounts for 15%, integrated circuits accounts for 11%, and professional audio, video & lighting accounts for 10%. 

A wide variety of line preamplifier options are available to you, such as 2 (2.0), 3 (2.1), and 1. You can also choose from home amplifier, professional amplifier line preamplifier

There are 77 suppliers who sells line preamplifier on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, from which the percentage of line preamplifier supply is 2%, 92% respectively.