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L1 Model II

Sold from 2007 - present

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Pop is heard when product is powered on

If your product produces unexpected ticking, clicking or popping noises when turning on, try the following:

Turn on the mixing board, or any external processors, before turning on the power amplifiers.

Some equipment (i.e. preamps, effects processors, EQs, etc.) might cause a popping sound through connected speakers when powered on. To avoid this, power on all connected equipment before powering on your Bose system.

Be sure the ToneMatch mixer audio engine is turned on before powering on the connected L1 system.

If the ToneMatch mixer is turned on after the connected L1 system is turned on, a pop may be heard.

It is normal for power amplifiers to make a slight pop when turned on.

Large power amplifiers make a slight popping sound when they are turned on. This is normal, and does not indicate that service is required.
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