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BT201 Dual Mode 5.0 Bluetooth Lossless Audio Power Amplifier Board Module Tf Card
Product information
BT201 Bluetooth module uses KT1025A chipKT1025A is a 4-in-1 single chip that supports bluetooth, usb flash drive and TF card. The best part about the chip is the lossless music ...
$6.63
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Product information
BT201 Bluetooth module uses KT1025A chip
KT1025A is a 4-in-1 single chip that supports bluetooth, usb flash drive and TF card. The best part about the chip is the lossless music playback, and simple serial interface AT control function, BLE transparent transmission function and SPP transparent transmission function. It greatly reduces the development difficulty of embedded bluetooth in other products
Model number：BT201
Chip model number：KT1025A-QSSOP24 stereo
Frequency Range：2.4G-2.480G
Operating Voltage：3.3V-5V
Transmit power：4dbm
External speakers：Support 4 ohm 3W and below speakers
Humidity：5% -95%
Working temperature：-40 ℃ -80 ℃
Reference distance：10 meters
Baud rate：9600-256000 (factory default baud rate of the chip is 115200)
16-bit Stereo DAC with headphone amplifier, SNR >= 95dB
Crystal-free load capacitor, the chip automatically generates Bluetooth MAC address without rolling programming
Support MP3, WAV, WMA, FLAC, AAC, APE full decoding
Support 128G U disk and TF card, support breakpoint memory and track memory function
Support Bluetooth audio transmission, connect mobile phone to transfer music, support playback pause, up and down song switching
Support Bluetooth call function, user can set cancel, support answer, hang up, call back, reject and other functions
Bluetooth 5.0 version, support HFP / A2DP / AVRCP / HSP / GAVDP / IOP / SPP / BLE, distance is about 10M
Class2 4dbM frequency range is 2.4G--2.480G
Support BLE transparent transmission function, separately connect "BT201-BLE" Support SPP transparent transmission function
The chip uses the SOC solution, which integrates a 32-bit MCU and an aDSP specifically for audio decoding. The hard decoding method is used to ensure the stability and sound quality of the system. Small package size better meets the needs of embedding other products
MP3 file format
1.Support all bit rate 11172-3 and ISO13813-3 layer3 audio decoding
2.Sampling rate support (KHZ): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48
3.Support Normal, Jazz, Classic, Pop, Rock and other sound effects
USB interface：2.0 standard
UART interface Standard serial port, TTL level, baud rate can be set, level conversion is required to connect PC [eg: CH340G--USB to TTL]
Input voltage：3.3V-5V [7805 post stage diode is best]
Rated current：20MA [static]
Low power consumption <200uA
Module power amplifier power：Drive 4 ohm 3W speaker, use HX8358 chip [5W digital power amplifier]
Chip DAC driver：The main chip DAC can only drive headphones
Technical Data - Drivers
https://drive.google.com/open?id=1mlRY6rSlg2HRfW6WnQHuxupsyLbadPpN
Package Included:
1 X BT201 Dual Mode 5.0 Bluetooth Lossless Audio Power Amplifier Board Module Tf Card
Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
