New: 5W long-range wireless audio transmitter module SA356-TX

By sdga:NiceRF Wireless Technology Co., Ltd

In December 2021, NiceRF launch the new product: 5W long-range wireless audio transmitter module SA356-TX.

Introduction of wireless audio transmitter SA356-TX:

SA356-TX is 5W RF output power, works in the frequency range: 500~516MHz. It has very good performance on audio performance. SA356-TX is very easy to use. It can work as wireless audio transmitter when just connected with power supply, antenna, audio line in.

1. It has 3.5mm audio interface which is used to connect with external device.

2. USB interface is used to configure the parameters of the device. User can download the PC software in our website. Also user can use the default parameters.

3. 16-channel switch is used to choose the right channel to avoid interference with other device.

4. LED indicator is used to display the working status.

Feature of wireless audio receiver SA356-RX

SA356-RX is used to working with SA356-TX. It is easy to use when connected with power supply, antenna, headphone or speaker. And it has features:

1. Micro USB is used to configure the parameters, user can download the PC software in our website. Also user can use the default parameters.

2. 5mm audio interface is used to connected with headphone.

3. Volume adjust switch is used to adjust the volume of speaker or headphone.

4. LED indicator is used to display the working status.

Pin NO.	Pin name	I/O	Level standard	Description
1	1	I	0-3.3V	Frequency 16 channel 8421 encoding, the first digit, default "1" output
2	2	I	0-3.3V	Frequency 16-channel 8421 encoding, the second bit, default "1" output
3	4	I	0-3.3V	Frequency 16 channel 8421 encoding, the 8th bit, default "1" output
4	8	I	0-3.3V	Frequency 16 channel 8421 encoding, the 4th bit, default "1" output
5	GPIO4	I/O	0-3.3V	Connect to GPIO4 of SA316-RX
6	GPIO3	I/O	0-3.3V	Internally connected to GPIO3 of SA316-RX, it can be configured as MCLK when using I2S mode
7	GPIO2	I/O	0-3.3V	Internally connected to GPIO2 of SA316-RX, when using I2S mode, it can be configured as SDIO
8	CS	I/O	0-3.3V	Internally connected to the EN of the LDO, pull down the dormancy, internal pull-up, default "1" output
9	GND	I	0	Connect the negative pole of the power supply
10	VCC	I	3.3-6V	The positive pole of the external power supply. (Typical value 4V)
11	GPIO1	I/O	0-3.3V	Internally connected to GPIO1 of SA316-RX, when using I2S mode, it can be configured as SCK
12	GPIO0	I/O	0-3.3V	Internally connected to GPIO0 of SA316-RX, when using I2S mode, it can be configured as LRCK
13	GND	I	0	Connect the negative pole of the power supply
14	LOUL LOUT+	O		Connect to LOUT+ of SA316-RX, which can directly drive earphones
15	GND	I	0	Connect the negative pole of the power supply
16	ROUT+	O		Connect to ROUT+ of SA316-RX, which can directly drive earphones
17	GND	I	0	Connect the negative pole of the power supply
18	VOL-ADJ	I	3.3V	Volume adjustment pin, the module has been connected to a 50K ohm adjustable potentiometer, and an external potentiometer can be connected
19	SPKN	O		PIN 19，20 can be connected with Speaker, can not connected with headphone. Headphone can be connected with 3.5mm audio socket. Either headphone or speaker can be connected with the module, but can not connect the both at the same time
20	SPKP	O

Advantage of wireless audio transmitter & receiver SA356-TX / SA326-RX

Features & Applications for wireless audio transmitter & receiver SA356-TX / SA326-RX

UHF band: 500MHz
3000m in open area
Audio S/N rate: 96dB
Audio spectrum range: 20Hz~20KHz
Latency from input to the transmitter to output of the receiver
modulation: Pi/4 DQPSK
Bandwidth: <300KHz
Communication rate over air: 204.8Khz
Sampling rate: 48KHz

Application

Wireless speaker
Wireless microphone
Wireless headphone
Wireless audio communication

Please feel free to contact us if any query on this products, and check our website (www.nicerf.com) for more information. Welcome to leave your message at: sales@nicerf.com