Description
BT40 HD LDAC Bluetooth 5.1 Receiver Audiophile ES9038 Audio Decoding APTX-HD
Product Description
1: Adopting ES9038Q2M DAC decoding chip, it can provide clearer, more accurate and wider audio signals to make music more layered and detailed.
2: Using Qualcomm QCC5125 chip, Bluetooth 5.1 support APTX/APTX-LL/APTXHD/LDAC/SBC/AAC multiple Bluetooth audio protocols.
3: IPS colour display, mode/information at a glance. Volume value, mute status, RCA output mode, input signal sample rate and type.
4: Outstanding op-amp output performance effect naturally requires the protection of electrical energy, positive and negative 12V boost circuit has become an essential and rigid requirements.
5: Comprehensive input and output interfaces to enrich the connection device. A variety of input interfaces to meet the computer, digital broadcasting, CD player, mobile phones and other sources of equipment, you can easily access the DAC for decoding output.
6: Support for remote control and key two switching modes, you can switch the input, you can also adjust the volume, RCA output mode, display brightness and other operations.
7: the use of high-end audiophile capacitors, German red WIMA, chemical high-frequency filter capacitors, ceramic low-impedance chip capacitors, etc., the output circuit consists of two pieces of op-amp outputs, using the JRC double-precision op-amp NJM5532DD, listen to the natural with gold-plated sockets customers can be freely upgraded.
Product parameters
Model: BT40
Decoding scheme: ES9038Q2M
Product size: W97mm * H32mm * D130mm (including volume knob 142mm)
Product weight:0.3KG
Input Interface: USB/OTG, COAX, OPT, BT
Output Connector: RCA/3.5 headphone
Dynamic range:≥121dB
Distortion rate: 0.0005%
Power supply:DC:5V/1A(type-c)
Frequency Response:20Hz—–20kHz(±0.06dB)
















Q: Can I change my order info? Such as receiving address or item purchased?
A: Order info cannot be changed after being placed. Please cancel your order and place a new one if order info is incorrect. Otherwise your parcel is going to be shipped according to the initial order info.
Q: Why isn’t my order being shipped out of China?
A: If there is no further tracking info after 10 days. It is most likely due to domestic shipping issue. For further support, please contact our customer service.
Q: Why is my parcel still “delivering”?
A: International shipment can be time-consuming and your patience is appreciated. Please rest assured if you see no update about your parcel. We use AliExpress shipping methods which can take 15 to 60 days. For further support, please contact our customer service.
Q: Why do I receive a different product?
A: Please contact our customer service directly for further support.
Q: Why do I receive only 1 item while several were purchased in the first place?
A: One order can possibly be shipped via several parcels with each of them a unique tracking number. Please track them according to the specific tracking number(s). Please contact our customer service directly for further support.
Q: I clicked “Confirm Goods Received” before the parcel is received. What should I do?
A: Don’t worry if you clicked it by accident. Your parcel is shipped soonest possible anyway. Simply follow the tracking number for update. A 5-star review is much appreciated upon receiving your parcel.
Q: What should I do if my order is closed?
A: Please place a new order with a secure account and payment method.
Q: What if the product cannot be used?
A: Please ensure the product is used properly according to the user manual. For further support please contact our customer service directly.
Q: I haven’t received my parcel yet but it shows “delivered” on the order detail page. What should I do?
A: Please check with your local post first for the parcel info. For further support, please contact our customer support.
Q: Why is my parcel returned?
A: That’s because receiving address or phone number being incorrect or the logistics company cannot ship to your address. Please reach out to our customer service directly if the issue persists.



















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