The AXIS 0834-001 C2005 off-white network ceiling speaker system is suitable for PA system. It has RJ45 10BASE-T/100BASE-TX PoE connectors. This speaker system has 50 Hz - 16 kHz built-in microphone and has 45 Hz - 20 kHz frequency response. It features 8" coaxial cone type component and has built-in 6 W class D amplifier. This speaker system supports IPv4/v6c, HTTP, HTTPSb, SSL/TLSb, QoS Layer 3 DiffServ, FTP, SFTP, CIFS/SMB, SMTP, Bonjour, UPnPTM and SNMP v1/v2c/v3 protocols. It supports SD, microSD and microSDHC cards. It includes AVHS authentication key and AXIS camera station license key..Music streaming: Music playback through AXIS audio player, offline streaming from SD card and online streaming support.Dimensions: 3.6"H x 11"Dia.Languages supported: English, German, French, Spanish, Italian, Russian, Simplified Chinese, Japanese, Korean, Portuguese, Traditional Chinese.Temperature rating: 4 to 122 deg F (operating), -40 to 149 deg F (storage), Humidity: 10 - 85% RH (condensing).Memory required: 256MB RAM, 256MB flash, Memory card supported: SD, microSD, microSDHC.Connectors: RJ45 10BASE-T/100BASE-TX PoE.Speaker features: 8" coaxial cone type component, 95 dB max sound pressure level, 45 Hz - 20 kHz frequency response, 130 deg coaxial coverage pattern.Reliability: Designed for 24/7 operation.Event triggers: Call, virtual inputs, AXIS Camera Application Platform (ACAP), Event actions: Play audio clip, send SNMP trap & send Auto Speaker Test.Security: Password protection, IP address filtering, HTTPSb encryption, IEEE 802.1Xb network access control, digest authentication, user access log.Network ceiling speaker system is the best music solution.Includes: Installation guide, AVHS authentication key and AXIS camera station license key.Amplifier: Built-in 6 W class D, Supported protocols: IPv4/v6c, HTTP, HTTPSb, SSL/TLSb, QoS Layer 3 DiffServ, FTP, SFTP, CIFS/SMB, SMTP, Bonjour.Meets EMC, EN 55022 Class A, EN 55032 Class A, EN 50121-4, IEC 62236-4, EN 61000-3-2, EN 55024, KCC KN32 Class A, KN35 certifications and standards.Audio: One/two-way, mono streaming, G.711 PCM 8 kHz, G.726 ADPCM 8 kHz, WAV, MP3 in mono/stereo from 64 - 320 kbps compression.Color: Off-white, Material: UL2043 plenum rated casing, steel plate baffle, surface-treated steel plate grille, metal spring clamp speaker mounting.Power: 12.95 W max Power over Ethernet (PoE) IEEE 802.3af/802.3af type 1 class 3.Compatibility: PA system