●Amplifier specifications
 ‧Output power:RMS 35W
 ‧Frequency response: 50HZ~18KHZ
 ‧Signal to noise ratio: SN90db or above
 ‧6 1/2" full range speaker 50W/8 ohm
 ‧Dimensions: Height 290×Width 185×Length 135 (mm)
 ‧Weight: Approximately 2.3kg [excluding battery]
 Additional equipment:
 Main unit JLH-202 × 1, WM-209 digital waist-mounted transmitter × 1, FWM-49H lavalier microphone × 1, BTY-NP1.2-1 rechargeable battery × 1, BTY-2200 digital waist-mounted transmitter dedicated lithium rechargeable battery × 1, CHG-2200 charging stand × 1, operating instructions × 1, Sanha company warranty × 1.
 ●Applicable places:
 ‧Classroom teaching/Conference setting
 ‧Dance studio/Fitness center
 ‧Yoga Club/Audio-visual Classroom
 ‧Small and medium-sized public speeches
 ‧Group lectures/exhibition venues
 ●Professional specifications:
 ‧AC:90~364V / 50Hz-60Hz
 ‧DC:12 V 1.2 Amps
 ‧Power consumption: 35W
 ‧WM-209 digital waist-mounted transmitter
 ‧3.7V-2100mAh rechargeable lithium battery
 ‧Charger: INPUT AC90~264V / OUTPUT DC 4.2V
 ●Wireless system:
 ‧Support 48KHz, 16 bit 2 Channels
 ‧Uncompressed audio transmission
 ‧2.4GHz UHF FSK wireless link
 ‧{FSK frequency shift keying [Frequency Shift Keying] FSK modulation digital signal modulation}
 ●Matching system:
 Digital WM-209 waist-mounted transmitter + FWM-49H lavalier microphone
 ●Amplifier specifications:
 ●Input impedance & sensitivity
 ．Reference 1KHz -10dB LINE OUTPUT LOAD=100K ohms
 ．AUX：20K ohms/-14 dB [200mV]
 ．MIC：600 ohm/-50dBV [3.2mV Unbalance]
 ．Wireleess：10K ohms/-14 dBV [200mV]
 ●Frequency response
 ．LOAD=100K ohm Reference at LINE OUTPUT
 ． AUX：20Hz-20KHz +2 / -3 dB [INPUT= -14 dBV]
 ． MIC：20Hz-15KHz +2 / -3 dB [INPUT= -50 dBV]
 ． Wireleess: 20Hz -20KHz +2 / -3 dB [INPUT = -14 dBV]
 ●Total harmonic distortion plus noise
 ．Reference 1KHz -10dB LINE OUTPUT LOAD=100K ohms
 ．AUX：20K ohms/-14 dB [200mV]
 ．MIC：600 ohm/-50dBV [3.2mV Unbalance]
 ．Wireleess：10K ohms/-14 dBV [200mV]
 ●Input impedance & sensitivity
 ． W / 20KHz LPF A-WEIGHTED LOAD=100K ohms, Reference at LINE OUTPUT
 ．AUX: less than 0.05% [INPUT=1KHz -14dBV]
 ．MIC: less than 0.08% [INPUT=1KHz -50dBV]
 ．Wireleess: less than 0.05% [INPUT=1KHz -14dBV]
 ●Maximum input power
 ．1KHz,THD=1% LOAD=100K ohm Reference at LINE OUTPUT
 ．AUX: greater than +2dBV
 ．MIC: greater than -30dBV
 ．Wireleess: greater than +5dBV
 ●Maximum output power
 ． AUX 1KHz -10dB
 ． Speaker output: greater than 35W LOAD 6 ohms THD = 10%
 ●Noise ratio
 ． W / 20KHz LPF, Reference at LINE OUTPUT
 ．AUX: greater than 70dB [INPUT=1KHz -14dBV]
 ．MIC: greater than 65dB [INPUT=1KHz -50dBV]
 ．Wireleess: greater than 70dB [INPUT=1KHz -14dBV]