Multifunctional loudspeaker

A, JT-218 Amplifier Features: ◆ set microphone, speakers in one large volume, no whistle ◆ ◆ built-in high-performance 7.4V lithium batteries digital audio circuit, power-saving design, long playback time ◆ intelligent power management, Automatic shutdown at low voltage, to protect the battery ◆ circuit board using double-sided SMD (SMD) production technology ◆ shoulder-mount and bodypack design, easy to use two, megaphone Precautions ◆ To ensure the battery life, please try to First electric battery inside is exhausted; if not using the megaphone, please fully charge the battery before saving megaphone ◆ ◆ The machine can be used in tropical or temperate climates equipped with magnet speakers, should stay away from computers, television 60CM or more Otherwise, electromagnetic fields can affect their effect ◆ Do not throw batteries discarded when not, place designated collection box ◆ strictly prohibited to be modified, otherwise, may result in damage to the base member, the consequences of a short circuit Main technical Parameters ◆ Maximum output power: 10W ◆ Frequency Response: 100HZ ~ 10kHZ ± 3db ◆ Speaker: 3 "4∩ high efficiency speaker ◆ Working voltage: 7.4V (built-in lithium battery) ◆ Working temperature: -10 ℃ -45 ℃ ◆ Dimensions : 86 × 42 × 96mm (length × width × height) ◆ outer box dimensions:. 325 × 440 × 550 (L × W × H) ◆ Weight:. 270g ◆ Carton quantity: 20 units / box.