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发表于 2002-5-11 01:00:00
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80$USD~~
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↓<>The BT928 is a headphone amplifier designed to allow headphones to be used with almost any TV. As it is connected to the TV via phono connectors (RCA). The TV will not be muted when the amplifier is in use. This feature makes it ideal for the hard of hearing, who can listen at their preferred volume without disturbing others. It has sockets for both standard and miniature headphones. If required both sockets can be used simultaneously. The "in" and "out" phono sockets enable it to be daisy chained anywhere in the input circuit.<> Use headphones with any TV.
suits all stereo headphones with either 3.5mm or 6.35mm
Independent volume and tone controls.
Gold plated sockets for minimum loss.
complete with external power supply.
Strong, stylish, slim-line metal cabinet
Technical Specification
Input impedance: 10K ohms
Input: 500 mV - 700 mV
Output: Suitable for Stereo Headphone 20 - 200 ohms
Channel separation&gt;75db
Power 15 V DC. 200ma
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