Audio Technica, ATW-1443/AT831cW, System 20 PRO. Dual Handheld,  Dual Clip-on mic + Dual beltpack, QUAD ch Receiver min 32" 4 in 1: It comes

4 in 1: It comes with slots for TF and SD memory cards

Swivel: 160º

Perfect for educational facilities

Strobe: 1-25time/s

Superfine color dusting

Audio Technica, ATW-1443/AT831cW, System 20 PRO. Dual Handheld,  Dual Clip-on mic + Dual beltpack, QUAD ch Receiver min 32" 4 in 1: It comesDigital 24 bit 48 kHz wireless operation for ultimate sound quality and dependable performance Plug and play operation in the 2. 4 GHz range completely free from TV interference User can switch between Standard mode (10 channels) and HD mode (20 channels) to minimize latency or maximize channel count, respectively Receiver units can be docked in the chassis or mounted remotely (up to 328 feet away) via Ethernet cable for added versatility Up to five