SAST 5-Inch Ceiling Speaker Set with 100W Constant Voltage Bluetooth Amplifier Public Broadcasting System Ceiling Mount Home Store Conference Background Music Combo Speaker One-to-Four

Audio input and output terminals for fixed impedance and fixed pressure connections

Compatible with wall-mounted speakers, ceiling horns, and waterproof sound columns

Durable and sturdy design with aerospace-grade ABS material

Environmentally friendly, insulated, heat-resistant, cold-resistant, corrosion-resistant, and rodent-proof

High gloss ABS engineering plastic for longer service life

Pure copper voice coil and paper cone for enhanced sound quality

Upgraded tweeter design for wide sound field and high sensitivity coverage

Transformer included for installation

Power amplifier with fixed impedance and fixed pressure multi-function high-fidelity design

Supports 4-16Ω and 100V output

Power switch on panel

LED screen display showing playback status and mode

Panel controls include power switch, mode button, volume, treble, bass, microphone volume, microphone reverb, previous/next track, and play/pause

TF card and USB interfaces on front panel

CE certification

Caution labels for electrical safety

Suitable for daily life music enjoyment, karaoke, broadcasting, and public address systems in various environments including homes, offices, and public venues