FAQ | Why did you replace the Phono RCA with a 3.5mm (1/8”) TRS mini-jack input on the new K.2 series of loudspeakers?

Discover why the K.2 series of loudspeakers have a 3.5mm (1/8”) TRS mini-jack input, replacing the traditional Phono RCA connector.

Updated at May 10th, 2023

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Believe it or not, when QSC began developing the original K series in 2006, there was no such thing as an iPhone. The original phono RCA inputs were actually intended for common DJ Mixers and CD Players at that time. Since the introduction of the iPhone in 2007 there has been a rapid stream of smart devices that have completely changed the way music is played. As such, the Stereo 3.5mm (1/8”) TRS mini-jack has now become the most ubiquitous connector type.