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Overview: Welcome to use this 1x 2500W Class D audio amplifier board by Sure Electronics. It integrates high performance IRS2092 supporting Singlechannel audio amplification. The channel is capable of outputting nominal power continuously.The heatsink on board provides enough cooling for most applications, there is no need for additional heatsinking in music applications.High reliability is ensured due to extensive protection, including overtemperature,undervolatge ,over volatge,DC offset protection.It’s suitable for amplifier enthusiasts or hobbyists to finish a complete amplifier system. Resistance and capacity components of high quality, including Metallized Polyester (PET) Capacitors and lower ESR electrolytic capacitors, high performance inductors are used to gain the perfect timber, finally realize high S/N ratio, low THD+N, wide frequency response range etc. Features: 2500W@ 2Ohm ±92V DC THD+N 10% 2230W@ 2Ohm ±92V DC THD+N 1% - Power and Shutdown Indicator
- Temperature Control Fan
- Full Protection
- Optimized Heatsink Design
- 4-screw Easy Installation
- Weight:850g/1.87 lbs (±10%)
- Size:6.00inchX4.50inchX2.50inch
Application: - Home theater receiver
- Background music systems
- Musical instrument amplifiers
- Prototype for recording studios, Post-production, Live sound and Hi-Fi applications
Electrical Specifications： Specifications typical @ +25℃, Powered by ±92 V DC, unless otherwise noted. Specifications subject to change without notice. Parameter | Conditions | Min. | Typ. | Max. | Units | Power Supply | - | ±55 | ±92 | ±95 | VDC | Idle Power | SD Floating, FAN ON | - | 17.7 | 25 | W | SD Floating, FAN OFF | - | 15 | 23 | W | Standby Power | SD Connected to GND, FAN OFF | - | 1.3 | 5 | W | Maximum Current | 2500W @ 2 Ohm | - | 28.6 | - | A | Efficiency | 2500W @ 2 Ohm | 91 | 95 | 96 | % | Minimum Load Impedance | - | - | 1 | - | Ω | Switching Frequency | SD Floating | - | 357 | - | KHz | Fan Active @ Temperature | - | - | 50 | - | ℃ |
Audio Performance: Specifications typical @ +25℃, Powered by ±92 V DC, unless otherwise noted. Specifications subject to change without notice. Parameter | Conditions | Min. | Typ. | Max. | Units | Gain | - | 29 | 31 | 33 | dB | Input Sensitivity(RMS) | @2 Ohm, 2500W, 1KHz | - | 2.35 | - | V | Input Impedance | - | - | 3.6 | - | KΩ | Output Power | @2 Ohm, THD+N 1% | - | 2230 | - | W | @2 Ohm, THD+N 10% | - | 2500 | - | W | Bandwidth @ ±3dB | @2 Ohm | 20 | - | 20K | Hz | THD | @2 Ohm, 1W, 1KHz | - | 0.013 | - | % | @2 Ohm, 10W, 1KHz | - | 0.024 | - | % | Output Noise Level | A-weighting, Input Connected to GND | - | 307 | - | µV | SNR | 1500W @ 2 Ohm, THD+N 1% | - | 102 | - | dB |
Typical Performance Graphs: Frequency response: 
Noise Floor: 
THD+N VS Frequency: 
Thermal Image: 
All parameters were tested with Rohde & Schwarz UPV audio analyzer and AP AUX0025 filter with AES17 filter enabled. |
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