Model Number: Soaiy S-328GRN Brand Name: SOAIY Key Specifications/Special Features: Soaiy, focus on audio 19 yearsOur professional acoustic engineers can customized for your own protect sound of the speakersFeatures:Multi-functional LED displayProfessional customized honeycomb speaker system, stronger sound directivityProfessional 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 smoothBuilt-in dual-core high-power amplifier chip, clearly layered soundEquipped with high-sensitivity radio antenna, one key scan and memory channelsSupports TF card or USB flash drive play directly, MP3/WMA double formatsAmplify your sound, very suitable for teaching, tour guiding, sales promotion and speech, outdoor exercising and entertainment and more, well protect your throatSpecifications:Output power: 5W
Frequency response: 120Hz to 20kHz
Input sensitivity: 600 ±50mV
Impedance: 4Ω
SNR: ≥70dB
Distortion: THD 0.3%
Battery: 18650 3.7V
Power supply: USB/5V DC
Size (L x W x H): 128*87*38mm
Weight: 220g
Colors: green, black, blue, fuchsia