Guitar amplifier with wireless tie chip microphone 1. With self-recharge battery, it is easy for use in every place. 2. With echo function. With the gain control and the exciter control. 3. With tie ...
Mini Digial Audio Full piano paint production with torch lighting. Colorful, Small and exquisite beauty. Multifunction SD card and USB interfaces. Stereo headset functionality. External mobile phones ...
1.Sound transmission : it composed by the front seat, the back seat, the sound piece, thand the solenoid valve, when air tolerance increasing, the swing of the sound rattles can spread further. 2.The ...
It adopts design of integrate, All siren tones and output power of microphone can be adjusted continuously. It is fitted for alarm system, For example especial vehicle and forbidden area. Output powe ...
snail-shaped electric horn single mode: pulse air pressure sound transmission: roliferation-like fan-shaped radiation transmission,the sound wave of snail horn disperses to the both sides from the lo ...