Fangrui Product Details The Bt39 Bluetooth Receiver Decoder Uses S New Es9039q2m Decoding Chip, And The Sound Is Es9038q2m, Both In Charm And Dynamic. The Bluetooth Chip Uses Qcc5125, Supports Ldac, Supports 24bit, 96khz High Bit Rate Mission. Internal Power Supply Is The Basis Of Good Sound, And The Op Amp Part Is Positive Or Negative 12v Power Supply, Ensuring The Performance Of The Op Amp. The Lpf Circuit Of The Decoding Part Has Been Redesigned To Produce A Better Effect, And The Audio Capacitor Makes The Sound More Delicate And . The Filter Part Uses S Gold Robe Capacitor For Better Performance And Lower Ripple. Bt39 Also Supports The Usb Input Function Of Tpye C Port, Which Can Be Connected To A Computer Or Mobile Phone Through A Usb Cable. The New Es9039q2m Chip Changes The Style Of Company In The Past, And The Sound Is Very Delicate, Sweet And Parent. The First Sound Feels Like Listening To Ak4499 Ex, This Style Has Changed Too Much, The Sound Is Really Comfortable, The Details, The Flavor, The Sound Field, And The Dy