Vender TAKSTAR DA5 Mini Handheld Amplifier 5W Amp Microphone/ Power Amplifer/ Speaker 3-in-1 Built-in Rechargeable Lithium Battery for Speech Tour Guide Teaching melhor preço

Features: Microphone, power amplifier and speaker 3-in-1 combination design, suitable for speech, teaching, tour guide, promotion, etc. Unidirectional picking up, high sensitivity, clear vocal and high volume to meet the requirement of large space. Class F power amplifier chip, peak output power 5W; digital rejecting feedback function effectively protecting the equipment. Built-in 1300mAh lithium battery, 2h charging lasts for 8h operation; automatically turning off after no signal input for 15 minutes to save power. Rear earth material speaker, light weight, high volume; compact design, 150g net weight for conveniently holding for a long time. Specification: Brand: TAKSTAR Model: DA5 Frequency Response: 200Hz-12KHz Peak Power: 5W Polar Pattern：unidirectional Speaker Impedance: 4Ω THD: THD<5% 1KHz at 4R, 3W S/N Ratio: 77dB（A-Weighted）at 1W 4Ω Battery Specification: 3.7V/1300mAh Charging: DC 5V 1A Charging Time: approximate 2h Operation Time: approximate 8h Operation Voltage Range: 3.4V-4.2V Item Size: 19.3 * 6.07 * 6.07cm/ 7.6 * 2.4 * 2.4in Item Weight: approx. 150g/ 5.3oz Package Size: 24.5 * 11.5 * 7cm/ 9.6 * 4.5 * 2.8in Package Weight: 280g/ 9.9oz Packing List: 1 * Amplifier 1 * USB Type-C Charging Cable 1 * Users Manual(English & Chinese)