Description :

JPA863 features a dual-channel Class D power amplifier chip, with an output power of 30W(RMS). The Class D power amplifier chip is characterized by high efficiency and energy-saving and therefore enhances the battery's durability.

JPA863 includes one matched 10'' 4Ohm speaker and one 3'' 4Ohm speaker. With a built-in lead-acid battery, ensuring lightweight and portable and thus suitable for different occasions. Perfect for small venues such as clubs, homes, and studios. It also features Aux In and Player functions, together with the Bluetooth function, it will be your best companion.

JPA863's wireless microphone section, using the VHF200-270MHz frequency range, is designed with a crystal oscillator circuit, which ensures high-frequency stability and anti-interference.

Input Sensitivity : 

• • Guitar Input 1: -20dBu
• • Guitar Input 2: -20dBu
• • MIC1: -40dBu
• • MIC2: -40dBu

Overall performance : 

• • Carrier Frequency : VHF200-270MHz
• • Harmonic Distortion : ＜0.8%
• • Frequency Stability : ＜±20PPM
• • Dynamic Range : ＞80dB
• • Frequency Response :    60Hz---12kHz ±3dB
• • Audio Output : 0～±400mV
• • Temperature Range : －10℃～＋50℃
• • Operating Distance : 50 meters

Wireless microphone : 

• • Frequency Stability : 0.05%(20PPM)
• • Launching Power : +13dB
• • Modulation Type : FM
• • Maximum Modulation Index : ±20kHz
• • Upper Harmonics : less than dominant wave 60dB
• • Mains Voltage : 9V Layer-built battery
• • Hours of use : 10hrs Built-in wireless microphone receiver
• • Pseudo Image Interference Ratio : ＞70dB
• • Consuming Power : 3W
• • Signal-to-Noise Ratio : 80dB
• • Adjacent Channel Interference Ratio : ＞70dB
• • Receiving Sensitivity : 12dB
• • De emphasis : 50US