It also offers parking mode

This eliminates obstructions from passengers

For wireless CarPlay/Android Auto

2 USB interfaces - one for phone connection (CarPlay /Android Auto/AutoLink) and one for external storage devices and media playback

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ATOTO CA-AEC03 4-Ch Car Amp - 55Wx4 RMS, Class D, SPDIF, 4-8 Ohm, for A5/A6/F7/S8/X10 (Not P5/P8/P9) CB4 It also offers parking modeSmall Size, Big Power Tired of your factory speakers' poor low and high frequencies? Even with better speakers, power still lacking? The CA AEC03 is your fix! It delivers a significant power boost (55W RMS x 4 at 4) over your car stereo's preamp. Enjoy a powerful boost for clear, strong audio at any volume.