Speaker Driver: 4″ Woofer + 1″ Tweeter (Coaxial design)
Audio Output / SPL: Max SPL 100 dB, Sensitivity 90 dB (1W/1m)
Frequency Response: 70Hz – 20kHz
Amplification: Built-in Class-D amplifier, 10W rated power (8Ω)
Power Supply: PoE+ (IEEE 802.3at) or DC 12V / 2A external power
Network Interface: 1× RJ45 10/100 Mbps port
Protocol & VoIP: SIP (RFC3261), MQTT, RTSP, and RTP support; up to 3 SIP accounts
Audio Codecs: HD G.722, G.711a/u, Opus, and MP3 streaming
Dimensions & Weight: 205 mm (W) × 205 mm (D) × 150 mm (H); 1.4 kg
Enclosure / Mounting: Black plastic rear cover with white metal mesh grille; high-strength ceiling clamp mount

Speaker Drivers: 5.25″ Woofer + 1″ Tweeter (Coaxial design)
Audio Output / SPL: Max SPL 100 dB, Sensitivity 85 dB (1W/1m)
Frequency Response: 70Hz – 20kHz
Amplification: Built-in Class-D amplifier, 15W rated power (8Ω)
Power Supply: PoE+ (IEEE 802.3at) or DC 24V / 2A external power
Network Interface: 1× RJ45 10/100 Mbps port
Protocol & VoIP: SIP (RFC3261), MQTT, RTSP, and RTP support; up to 3 SIP accounts
Audio Codecs: HD G.722, G.711a/u, Opus, G.729, and MP3 streaming
Weight & Coverage: 3.45 kg; 90° H × 90° V coverage pattern (up to 30 m²)
Enclosure & Intercom: Built-in omnidirectional microphone for two-way intercom/talkback; high-strength ceiling clamp mount

Speaker Drivers: 5.25″ Woofer + 1.5″ Tweeter (Dual-driver 2-way cabinet design)
Audio Output / SPL: Max SPL 100 dB, Sensitivity 85 dB (1W/1m)
Frequency Response: 70Hz – 20kHz
Amplification: Built-in Class-D amplifier, 15W rated power (8Ω)
Power Supply: PoE+ (IEEE 802.3at) or DC 24V / 2A external power
Network Interface: 1× RJ45 10/100 Mbps port
Protocol & VoIP: SIP (RFC3261), MQTT, RTSP, RTP, HTTP, and TCP/IP support; compatible with ONVIF VMS
Audio Codecs: HD G.722, G.711a/u, G.729, and MP3 streaming
Coverage Pattern: 90° Horizontal × 50° Vertical coverage (up to 30 m²)
Enclosure / Mounting: Flame-resistant ABS cabinet (UL94-V0) with metal mesh grille; wall-mount bracket design