Model Number: Soaiy S-318PUR Brand Name: SOAIY Key Specifications/Special Features: Soaiy, focus on audio 19 years, our professional acoustic engineers can customized for your own prefect sound of the speakersFeatures:Multi-functional LED displayProfessional sound amplifying circuit, amplifying clear without howlingProfessional reverberation circuit, analog echo effect without distortionUnique recording function, save to TF card and USB flash drive automaticallyDouble voice coil design, strong power, deep bass, mid-frequency smoothEquipped with high-sensitivity radio antenna, one key scan and memory channelsSupports TF card or USB flash drive play directly, MP3/WMA double formatAmplify your sound, very suitable for teaching, tour guiding, sales promotions and speech, out-door exercising and entertainment and more, well protect your throatSpecifications:Output power: 3W RMSFrequency response: 120 to 20HzInput sensitivity: 500 ±50mVImpedance: 4Ω
SNR: ≥70dB
Distortion: THD 0.3%
Battery: BL-5C/3.7V
Power supply: USB/5V DC
Product size (L x W x H): 129*87.5*40mm
Weight: 225g
Colors: white, blue, purple and green