The posted photos are illustrative in nature. In fact, the product can be distinguished externally, and this does not change the functionality and characteristics of the product.

Products with the "Behringer" brand have a 2-years warranty.
Products with the brand "PIP Audio" have a 2-years warranty.
Products with the brand "PIP Light" have a 2-years warranty.

Products with the brand "Turbosound" have a 2-years warranty.
Products with the brand "Topp Pro Professional Audio" have a 2-years warranty.
Products with the brand "Truss" have a 2-years warranty.

Wireless microphone PU-190D

Features:
1.Using UHF band, PLL phase lock circuit, stable characteristics, low harmonic radiation.
2.SMT surface mount components
3.Adopt dual band receive design, 2x25MHz Tuning bandwidth
4.Transmitter up to 50MHz working bandwidth.
5.Preset 200pair channels, 2000 frequencies to adjustable
6.Using mute control (noise locked)
7.High strength standard metal shockproof body.
8.Bright LCD display screen, display mute, AF. RF strength.
9.Auto frequency scan: using the auto scan function to scan free-frequency automatically. (in the case of interference).
10.IR infrared automatic frequency function: synchronization via infrared to complete the wireless transmitter.
11.Accident power off, receiver have memory function
12.Equipped with flat frequency response of 50Hz-16KHz response range.
Receiver
Receiving Channel: Single channels
Carrier Wave Frequency Range: depending on the region
Oscillation Mode: PLL phase-locked frequency synthesizer
RF tuning step: depending on the region
Radio-frequency sensitivity: input 6dBµV, S/N>80dB
Working Range: Straight line distance 80 meters, note: the actual range depends on RF signal absorption
Mute control: Noise locked
Combined frequency response:50Hz-18KHz (±3dB)
Comprehensive T. H. D:<0.5% @ 1KHz
Panel display: LCD display screen
Dimension (mm):205(L) x 43(H) x 169(D)
Weight (kg):0.7
Wireless Hand-held Microphone
Oscillation Mode: PLL phase-locked frequency synthesizer
Carrier Wave Frequency Range: Depending on the region
Cartridge: Fixed Gain
Transmitter Power:10mW
Current drain: Standard <130mA
Display: LCD
Cartridge: Dynamic cardioid sound head
Body-pack transmitter
Oscillation Mode: PLL phase-locked frequency synthesizer
Carrier Wave Frequency Range: Depending on the region
Cartridge gain: Adjustable gain
Transmitter Power:10mW
Current drain: Standard <130mA
Display: LED
Cartidge type: Cardioid condenser sound head