TR508 has an Audio output jack and an Audio input volume adjustment knob. You can connect external tuning devices, MP3, iPod and CD players via Audio cable, and you can adjust the volume of the input audio through the volume adjustment buttons.
TR508 is also equipped with a MIC jack and MIC input volume adjustment knob, you can use the microphone while playing audio, and the volume adjustment knob allows you to adjust the input volume more arbitrary.
TR508 built in LCD display with blue backlight, the current broadcast frequency is displayed on the display, just adjust your receiver frequency to the frequency displayed by the transmitter, you can directly receive the broadcast information.
long range
The broadcast transmitter is equipped with a detachable antenna. The included antenna can transmit a maximum of 300 meters in an open area. The higher the length of the antenna, the better the antenna and the better the transmission effect. You can choose to buy better antenna equipment to on the launcher.
TR508 built in micro controller for frequency control and display, which makes the frequency of the transmitter more stable. What's more, the frequency adjustment of the transmitter is controlled by buttons, even if an unexpected power interruption occurs, it can broadcast at the same frequency after power is restored.
TR508 Specification
PR13 FM Radio Receiver Specification
Sensitivity:<3.5uV
Signal to noise ratio: 45db
Stereo separation: 32dB
Power supply: 2 x AAA batteries (not included)
Earphone jack: 3.5mm
Tuning increase: 0.1MHz
Built-in speaker: No
Dimension:3.6 x 2.1x 0.6in
Weight: 40g / 0.09lb
V112 FM Radio Receiver Specification
Frequency:FM 87.5-108 MHz,AM: 520/522-1710 KHz
Tuning increment: FM: 0.1MHz, AM:10KHz
Power: Built-in 500mA rechargeable lithium battery
Charging voltage: DC 5V 500mA
Package: not including adapter,just including usb cable,you can charge the radio from computer or connect phone adapter
Sleep timer:off-10-20...-80-90
Size:3.3 x 1.8 x 0.5 inch
Weight: 45g / 0.1lb
Can Be Used
