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TAS6422-Q1: Connecting different speaker frequencies

Jejomar Ildefonso
Genius 9550 points
Part Number: TAS6422-Q1


Hi Team,

Need your help on this. Our customer would like to simultaneously connect a low frequency speaker (20Hz to 2kHz) to channel 1 and Mid-frequency range speakers (500Hz-4kHz) to the other channels of TAS6422-Q1.

Can we use filters (LC filter) between output of channel and speaker to filter out each frequency to respective speakers?

If this won't work, can you provide us the necessary steps and considerations to implement this?

Thanks in advance.

Regards,

Jejomar

  • 0
    TI__Expert 6295 points

    hello Jejomar,

          you can use host DSP to use digital filter to control output signal frequency range. use LC filter hard filtering cut off could impact final sound effects.

    regards

    Linda

  • 0
    Prodigy 110 points

    Part Number: TAS6422-Q1

    How can we connect a low frequency speaker Woofers (20 Hz up to 2,000 Hz) to channel 1 and Mid-range speakers range (500 Hz-4 kHz) to other channel?

    Can we use filters (LC filter) between output pin and speaker to filter out each frequency to respective speakers?

  • 0 in reply to Francy Babu
    TI__Mastermind 45085 points

    As stated above in another recent post. 

    1. One can use the DSP before the amplifier to filter the frequency ranges as needed for each channel of the TAS6422-Q1. 
    2. One can also use a passive filter (crossover) after the amplifier to filter the frequency ranges for each speaker.