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Based on the DT220 TECH platform, it is suitable for all transmitters of the 220 series. With the engineering transmitter, 300M ultra-long transmission can be achieved.
| Digital Audio UHF Wireless System | |
DTR225-1TE Single Channel Digital UHF Wireless Receiver [Engineering Enchancement Model] |
*GAODIMIC® Products of the same brand and model are consistent with this product.
4th Generation Tech Platform
Application Scenarios
1. In large-scale performance sound projects, replace the cable of wired microphone; 2. Used for pickup and forwarding of various sound sources (instruments, harmony, chorus) on stage; 3. Audio forwarding in large scenic spots, remote wireless transmission and control of matrix audio. |
Characteristic
. Digital audio 600MHz wireless technology . The maximum effective transmission distance can reach 300 meters . Support relay interface, can control the speaker switch . True diversity . PI/4 DQPSK modulation . Wireless transmission frequency response 20Hz~20KHz. . In the 20~20KHz frequency band, attenuation <2dB. . In the 20~20KHz frequency band, the phase deviation is 30°~60°. . Delay 4.17ms . Signal-to-noise ratio>101dB . Transmission distance>300M . Signal-to-noise ratio>100dB (with AP device detection screenshot). . OLED color screen, rich functions. . Supports sound measurement. |
Parameters
| Communication Parameters | ||
Freq. Band | 668~698MHz | |
Modulation Mode | Pi/4 DQPSK | |
Transmission Distance | >300 m (MAX with flagship type Transmitter)(Related to wireless environment) | |
Transmission Concurrency | 12 simultaneous transmissions | |
| S/N | >101dB | |
Freq. Response | 20Hz-20KHz | |
Transmission Delay | <4ms | |
Distortion T.H.D | <0.03% (@1KHz) | |
| Sound Parameters | ||
| Mic Type | Suppor Earphones or Collar microphones | |
Sensitivity | - | |
| Freq. Response | - | |
Output Impedance | - | |
Directivity | - | |
| Physical and Electrical Indicators | ||
| Power Supply | 18650 Li battery | |
Power Interface | USB - C | |
Endurance | >18h | |
Size | 35mm *100mm * 142mm ( without antenna) / 322g | |
Launch Connector | Cannon Interface | |
Function | Power, external antenna, wireless channel scanning, relay module |
Questions Frequently Asked
1. When multiple devices are used simultaneously, improper frequency setting can easily lead to performance degradation due to intermodulation interference. |
Notes
|
Documents
| 1_Manual_EN_GAODIMIC (DTR225-1TE)_Digital Audio UHF Wireless System_Rack Rx(Engineering Edition Enhanced)_2024.07.14 |
Lastest Firmware Refereced
| Released Date 2025.1.13 | GAODIMIC_DTR225-1TE_RX_V129_20250113.bin | |
The device supports OTA upgrade, and please rerfer to the OTA upgrade guide. It is recommended to upgrade under guidance, or return to the manufacturer for upgrade, or have the upgrade performed by a designated repair shop. Please perform OTA upgrades in compliance with local regulations. Incorrect OTA upgrade operations may cause device software damage and inability to boot. Please assess the risks yourself! |

Standard Accessories:
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USB-C rechager *1
USB-C recharge cable *1
600Mhz Antenna *2
500Mhz Antenna *2
Manual *1
Qualification certificate *1
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