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TOA IP-A1SC15 IP-Horn Speaker
TOA IP-A1SC15 IP-Horn Speaker
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TOA IP-A1SC15 IP-Horn Speaker

Add a strong voice to your IP System

Plug & Sound: Based on open standards, the IP-A1SC15 IP Horn Speaker plugs right into standard IP networks and can be easily integrated with your VMS or SIP-based system. The IP horn speaker broadcasts crystal clear pre-recorded voice messages, manually or automatically triggered by IP cameras, image sensing or motion detection video systems, or live speech announcements via VoIP (Voice over IP) / SIP phone or video management systems.

High sound pressure level: The integration of the IP horn speaker via PoE+ enables the integrated amplifier to broadcast excellent sound quality at a very high sound pressure level over long distances.

Robust weather resistant housing: The IP-A1SC15 combines the TOA proven robust construction with the latest IP technology. Its weatherproof enclosure is perfectly suited for outdoor applications.

Simple to install wherever you need a strong voice: A single standard network cable provides both power and connectivity with your network.

Easy to customize over API (Application Programming Interface): Adapt the individual volume to the environmental noise level and optimize it to time of day, distance, and degree of emergency.

Flexible group paging: The IP-A1SC15 IP Horn Speaker can be addressed via multicast enabling audio paging into groups of IP devices simultaneously.

Application examples:
VMS calls and paging into outdoor areas as construction sites, company or private properties, or parking spaces, as well as alert/every-day paging into outdoor areas of public buildings as schoolyards, hospitals or office buildings. The IP-A1SC15 horn speaker can be integrated into security poles.

  • 124 dB max. SPL
  • Receive SIP audio, ONVIF* audio backchannel and multicast (up to 20 addresses)
  • 15 W (PoE+) / 8 W (PoE) built-in amplifier
  • IP66 rating for outdoor installations
  • Operating temperature from -30 °C to +55 °C
  • API (HTTP commands)
  • Audio file storage (20 files, total 80 MB, WAV/MP3)
  • Individual volume level adjustment to each audio source to ensure uniform and harmonized output
  • Different playback programs (repeat, duration, weekly timer)
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Availability: In stock
Power source

PoE+ (IEEE802.3af Class 4) , PoE (IEEE802.3af Class 3)

Power consumption

22 W (at PoE+ powered, rated output)

12.95 W (at PoE powered, rated output)

5 W (IEC62368-1)

Rated output

15 W (at PoE+ powered), 8 W (at PoE powered)

Sensitivity (1 W, 1 m)

112 dB (500 Hz - 2.5 kHz, peak level)

Max. SPL (1 m)

124 dB (at PoE+ powered, 15 W) (500 Hz - 2.5 kHz, peak level)

121 dB (at PoE powered, 8 W) (500 Hz - 2.5 kHz, peak level)

Frequency response

280 Hz - 12.5 kHz

Audio Codec

PCMU (G.711u), PCMA (G.711a), G.722

Broadcasting Mode

SIP Broadcasting Mode: PCMU/PCMA/G.722, P2P/SIP Server Connection

Multicast Broadcasting Mode: PCMU/PCMA/G.722, Auto codec recognition, 20 ports

VMS Broadcasting Mode: ONVIF Audio Backchannel, PCMU

Internal Message Broadcasting Mode

Note: Each broadcast mode can be assigned an order of priority using the Priority Setting function.

ONVIF is a registered trademark of ONVIF Inc.

Digital control I/F

Remote API (HTTP commands)

Network I/F

100BASE-TX, Auto MDI/MDI-X, RJ-45 connector

Network protocol


Internal Messages

Max. 20 messages (Max. recording capacity: 80 MB)

Supported file formats:

    WAV file: 8/16/44.1/48 kHz sampling frequency, 8/16 bit, monaural/stereo

    MP3 file: 32/44.1/48 kHz sampling frequency, 64 - 320 kbps, CBR/VBR, monaural/stereo

Repeat playback: Playcount (1 - 10 times), Duration (5 - 3600 s)
                                or Timer (from start time to end time)

Interval time: 0 - 60 s, Delay time: 0 - 30 s

Trigger: Control Input or Remote API (HTTP)

Clock Accuracy

±13 s per month, Power outage protection period: 24 h (RTC time retention, at 40 °C)

Time Adjustment

Manual time setting, Time adjustment by NTP server

Control input

2 channels, no-voltage make contact inputs, open voltage: 5 V DC,

short-circuit current: 2 mA or less, removable terminal block (3 pins)

Control output

1 channel, open collector output, withstand voltage: 30 V DC,

control current: 10 mA or less, removable terminal block (3 pins)


LAN: LINK/ACT (green), STATUS (orange)

Operating humidity

90% RH or less (no condensation)

Operating temperature

-30°C to +55°C


Aluminium, ABS resin, Polycarbonate, Stainless steel, paint, off-white (RAL 9010 or equivalent)


222 x 211 x 276 mm (W x H x D)


1.4 kg

Accessory (included)

Rear Cover x1, Removable Terminal Plug (3 pins) x2

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