PT2348

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The PT2348 is a 4.1CH audio processor designed for
Car Audio purpose. Using I2C interface controls all of
the functions. Like most of audio processors, it equips
up to 4 stereo sources input with adjustable gain,
master volume with adaptive loudness, treble and bass
tone control.
In a car entertainment system where needs front and
rear seat individual control, the PT2348 provides
separate input source selection and output volume
adjustment; a special design, mixing amp, is very easy
to combine the navigation system or cellular phone’s
voice with the car audio system.

Controlled by I2C Interface

4 Stereo Inputs (including 1 quasi-differential input) with selectable input gain

2 Channels Electronic Volume： +15 to -79dB with 1dB/step

1 Subwoofer Output: +15 to -79dB with 1dB/step

Adjustable crossover frequency for Subwoofer

Tone Control (Bass and Treble): -15 to +15dB, 1dB/step

Input Gain Control: 0 to +15dB, 1dB/step

Loudness: 0 to -15dB, 1dB/step

4 independent speaker outputs: +15 to -79dB with 1dB/step & independent programmable mix input with 50% mixing ratio for front speakers

Low Distortion and Low Noise

36-pin SSOP package