60W IP66 Column Speaker with Overvoltage Protection & Grounding Alarm
60W RMS • IP66 • Overvoltage Protection (Auto-off @254V) • Grounding Alarm • Aluminum Alloy • PoE / 24V DC
T-7784P 60W IP66 OVP
High power meets enhanced electrical protection. The T-7784P delivers 60W of clean, weatherproof audio with built-in overvoltage protection that automatically powers off at 254V to prevent damage during power surges. A grounding alarm alerts when proper grounding is missing – ideal for industrial sites, developing regions, and large-scale outdoor installations with unstable power infrastructure.
| Model Number | T-7784P |
| Product Type | 60W IP66 Outdoor Column Speaker with Overvoltage Protection |
| Amplifier Output | 60W RMS (Class D) |
| Weatherproof Rating | IP66 (dust-tight, powerful water jets) |
| Enclosure Material | Aluminum Alloy |
| Overvoltage Protection | Auto power-off at 254V AC |
| Grounding Alarm | Visual indicator for missing ground |
| Network | 10/100Mbps Ethernet (RJ45) |
| Audio Protocols | TCP/IP, UDP, HTTP, RTP, RTSP |
| Audio Codecs | MP3, WAV, PCM |
| Onboard Storage | None (pure IP speaker) |
| Frequency Response | 100Hz – 15kHz (±3dB) |
| THD+N | < 0.5% (1kHz, rated power) |
| S/N Ratio | > 85dB |
| Power Supply | PoE+ (802.3at) or DC 24V |
| Power Consumption | ≤ 20W (idle), ≤ 65W full volume |
| Mounting | Heavy-duty adjustable bracket included |
| Dimensions (HxWxD) | 600 x 150 x 120 mm |
| Weight | 4.6 kg |
| Operating Temperature | -20°C – 50°C |
| Humidity | 10% – 95% (non-condensing) |
| Color | White / Black (optional) |
| Certifications | CE, FCC, RoHS, IP66 |
In regions with unstable power grids, voltage spikes can damage sensitive electronics. The T-7784P monitors input voltage and automatically powers off at 254V AC, protecting internal components. When voltage returns to safe levels, the speaker resumes normal operation. Ideal for industrial sites, developing countries, and areas prone to power fluctuations.
The T-7784P combines 60W high-power outdoor audio with critical electrical protection features. Building on the T-7784 platform, it adds overvoltage protection and grounding alarm for installations where power quality is a concern.
60W High Power for Large Spaces: With 60W of clean Class D amplification, the T-7784P can cover large outdoor areas with high ambient noise – stadium concourses, industrial sites, transportation hubs, and public parks.
Overvoltage Protection – Auto-off at 254V: In many industrial and developing regions, voltage fluctuations are common. The T-7784P continuously monitors the input voltage and automatically shuts down if it exceeds 254V AC, preventing damage to the amplifier and internal electronics. When voltage returns to safe levels, the speaker automatically resumes operation.
Grounding Alarm: Proper grounding is essential for both safety and performance. The T-7784P features a visual grounding alarm that indicates when the unit is not properly grounded – allowing installers and maintenance staff to quickly identify and correct grounding issues.
IP66 Weatherproof Construction: Like all T-7784 series speakers, the P model features IP66-rated aluminum alloy construction, completely dust-tight and protected against powerful water jets – ideal for outdoor installation in any weather.
Double the power for large outdoor spaces, high ambient noise, and greater coverage.
Auto power-off at 254V AC. Protects against voltage spikes and unstable power grids.
Visual indicator alerts when grounding is missing – ensures safety and performance.
Dust-tight and protected against powerful water jets. Withstands rain, snow, and hose-down.
| Parameter | Specification |
|---|---|
| Protection Type | Voltage monitoring, automatic shutdown |
| Trip Voltage | 254V AC ± 2% |
| Hysteresis | 10V (resumes at <244V AC) |
| Response Time | < 100ms |
| Recovery | Automatic when voltage normalizes |
| Indicator | Red LED when protection active |
254V Trip
Auto power-off
| Parameter | Specification |
|---|---|
| Detection Method | Ground continuity monitoring |
| Indicator | Yellow LED illuminates when ground missing |
| Test Function | Self-test on power-up |
| Compliance | Helps meet electrical safety standards |
Ground Alarm
Visual indicator
| Parameter | Rating |
|---|---|
| Ingress Protection | IP66 |
| Operating Temperature | -20°C to 50°C |
| Storage Temperature | -30°C to 70°C |
| Humidity | 10% – 95% non-condensing |
| Corrosion Resistance | Aluminum alloy, UV-stable paint |
Withstands rain, snow, dust
Electrical protection added
| Parameter | Specification |
|---|---|
| PoE Standard | IEEE 802.3at (PoE+) – 30W available |
| PoE Power Output | Up to 25W per channel (sufficient for most uses) |
| DC Input | 24V DC, 3A (for full 60W output) |
| Power Consumption | ≤20W idle, ≤65W full volume |
PoE+ Required
802.3at for 60W
In many parts of the world, mains voltage can fluctuate significantly – especially in industrial areas or developing regions. A spike to 260V or higher can destroy unprotected electronics. The T-7784P's built-in protection automatically disconnects at 254V, saving the speaker from damage. When voltage returns to safe levels, operation resumes automatically. No fuse replacement, no service call.
| Model | Power | Protection | Storage | SIP |
|---|---|---|---|---|
| T-7782 | 30W | Standard | 8GB SSD | Yes |
| T-7782P | 30W | OVP + Ground | No | No |
| T-7784 | 60W | Standard | 8GB SSD | Yes |
| T-7784P | 60W | OVP + Ground | No | No |
| T-7784H | 40W | Standard | No | No |
The T-7782P (30W) and T-7784P (60W) offer the same overvoltage protection and grounding alarm features. Choose based on your power requirements:
| Model | Power | Coverage Area | Best For |
|---|---|---|---|
| T-7782P | 30W | Small to medium areas | Industrial sites, developing regions |
| T-7784P | 60W | Large areas, high noise | Stadiums, large industrial sites, transportation hubs |
IP66 rating: 6 = dust-tight (no dust ingress), 6 = protected against powerful water jets (heavy seas, hose-down). Suitable for outdoor use in all weather conditions, including rain, snow, and cleaning with pressure washers. Not suitable for submersion.
The T-7784P automatically resumes normal operation when voltage returns to safe levels (<244V AC). No manual reset required. The red protection LED remains on during the fault condition for easy troubleshooting.
T-7784P (pole-mounted) with PoE+ from conditioned UPS
Large industrial environment with frequent voltage fluctuations. The T-7784P's 60W output covers expansive areas. Overvoltage protection ensures the speaker survives power spikes. Grounding alarm helps maintenance verify proper installation. PoE+ provides isolated power, but protection still active on DC input.