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By HolgerW
#24009 No, the oscillator is only needed with ES9023 and already on board with http://www.ebay.de/itm/271756778377
You dont need a wire diagramm. There are 4 wires between ESP and one of both modules.
Both need power, 5V for the module, 3.3V for ESP

ESP pin - I2S signal
----------------------
GPIO2/TX1 - LRCK
GPIO3/RX0 - DATA (SDI)
GPIO15 - BCLK (BCK)
GND - GND

Thats all.
I tested now both boards here, work very well.

Holger