QCC525 Bluetooth 5. 1 wireless receiver board ES9038q2m decoding module supports L / 24bit. The high-end decoding chip of the American company reaches CD level and exceeds the general toy level Bluetooth board. No matter the level, dynamics, details, high and low frequency extension are much better, there are no burrs in high frequency, midrange, strong low frequency and good elasticity. QCC5125 digital audio signal reception, ES9038 chip decodes and outputs analog audio signals amplified and filtered by 2 dual operational amplifiers. This product has an AUX input for easy switching with other wired audio sources. Bluetooth is preferred. When there is no Bluetooth audio, it automatically switch to AUX state. This module supports LDAC HD/-LL///AAC, with a maximum sampling rate of 24bit/96khz. Power Supply: DC:5-32V AC:9-24V Type C:5V Note:Due to different production batches, the appearance of the electronic components on the board may be different from the picture, but the functions are the same and do not affect use. Colour:Random Color(Color is random, no specification is accepted) Material:PCB+electronic components Package Contents: 1 * Decoder board with a set of cable accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.