3 x 300Watt Class D Audio Amplifier Board - T-AMP
Features:
- Output Power
- 300W@3Ohm 40V DC THD+N 10%
- 180W@3Ohm 40V DC THD+N 1%
- Power and Clip Indicator
- Temperature Control Fan
- Full Protection
- Optimized Heatsink Design
- 4-screw Easy Installation
- Weight:680g/1.50 lbs (±10%)
- Size:6.00inchX4.50inchX1.48inch
Applications:
- Home theater receiver
- Car audio
- Background music systems
- Musical instrument amplifiers
- Prototype for recording studios, Post-production, Live sound and Hi-Fi applications
Electrical Specification:
Specifications typical @ +25℃,Powered by 40V DC, unless otherwise noted. Specifications
subject to change without notice.
Parameter | Conditions | Min. | Typ. | Max. | Units |
Power Supply | - | 24 | 40 | 48 | VDC |
Idle Power | SD Floating,FAN ON | - | 15.6 | 20 | W |
SD Floating,FAN OFF | - | 12.4 | 16 | W |
Standby Power | SD Connected to GND,FAN OFF | - | 0.8 | 3 | W |
Maximum Current | 900W @ 3Ohm | - | 25 | - | A |
Efficiency | 300W @ 3Ohm | 89 | - | 94 | % |
Minimum Load Impedance | - | - | 3 | - | Ω |
Switching Frequency | SD Floating | - | 750 | - | KHz |
Fan Active @ Temperature | - | - | 50 | - | ℃ |
Audio Specification:
Specifications typical @ +25℃,Powered by 40V DC, unless otherwise noted. Specifications subject to change without notice.
Parameter | Conditions | Min. | Typ. | Max. | Units |
Gain | - | 28.5 | 30.5 | 32.5 | dB |
Input Sensitivity(RMS) | @3Ω, 300W,1KHz | - | 1.06 | - | V |
Input Impedance | - | - | 33 | - | KΩ |
Output Power | @3Ω THD+N 1% | - | 180 | - | W |
@3Ω THD+N 10% | - | 300 | - | W |
Bandwidth @ ±3dB | @3Ω | 20 | - | 20K | Hz |
THD | @3Ω, 1W, 1KHz | - | 0.008 | - | % |
@3Ω, 10W, 1KHz | - | 0.007 | - | % |
Output Noise Level | A-weighting,Input Connected to GND | - | 228 | - | µV |
SNR | 180W @3Ω THD+N 1% | - | 95 | - | dB |
Typical Performance Graphs:
Frequency response:
THD+N VS Frequency:
Noise Floor:
Thermal Image:
All parameters were tested with Rohde & Schwarz UPV audio analyzer and AP AUX0025 filter with AES17 filter enabled.
Package content:
- 3 x 300Watt Class D Audio Amplifier Board - T-AMP x 1