The DA550F is a state-of-the-art 4-channel Class D amplifier designed by TOA, delivering an impressive output of 550 watts per channel at low impedance. This amplifier is engineered to provide high efficiency and superior sound quality, making it an ideal choice for a variety of professional audio applications, including public address systems, live sound reinforcement, and commercial installations. The Class D technology ensures that the amplifier operates with minimal heat generation, allowing for prolonged use without the risk of overheating, while also contributing to energy savings.
Equipped with advanced features, the DA550F includes built-in protection circuits that safeguard against short circuits, overloads, and overheating, ensuring reliable performance in demanding environments. The amplifier also offers flexible input options, including balanced XLR and unbalanced RCA connectors, allowing for seamless integration with various audio sources. Additionally, the DA550F is designed with user-friendly controls, including level adjustments and LED indicators for monitoring status, making it accessible for both seasoned audio professionals and those new to audio equipment.
The robust construction of the DA550F ensures durability and longevity, making it suitable for both fixed installations and portable applications. Its compact design allows for easy rack mounting, while the sleek aesthetic complements any professional setup. With its combination of power, efficiency, and reliability, the TOA DA550F Class D amplifier stands out as a premier choice for those seeking to enhance their audio experience with high-quality sound reproduction and dependable performance.
The DA-550F is a 4-Channel Class D Power Amplifier featuring lightweight, compact, high power output, and high efficiency.
It delivers 4x 550W per channel into 4 O using dedicated amplifier stages with seperate switching mode power supplies.
It can be mounted in an EIA Standard 2RU slot.
Product Specification
| Power Source | 220 – 240 V AC |
|---|---|
| Amplification System | Class D |
| Power Consumption | 480 W (based on EN standards) 2750 W (rated output 4 O × 4) 1550 W (rated output 8 O × 4) |
| Input | 4 circuits 10 kO XLR-3-31 type connector CH 1 mode ON/OFF switch (ON: CH 1 to All ch |
| Rated Output | 4 channels: 550 W × 4 (4 O) 2 channels (BRIDGE): 1100 W × 2 (8 O) M4 screw terminal |
| Frequency Response | 20 Hz – 20 kHz (-2 dB |
| Total Harmonic Distortion | 0.1 % (1 kHz) 0.15 % (20 Hz – 20 kHz) |
| Protection Circuit | Protection against excessive current flow due to overload unusual DC voltage output temperature rise at power amp. heat sink (100 ? (212 ?F) or more) temperature rise at power supply heat sink (80 ? (176 ?F) or more) |
| S/N Ratio | 100 dB (A-weighted) |
| Crosstalk | 70 dB (A-weighted) |
| Control/Monitor | Control input: Power ON/OFF status of the individual channels photocoupler input Monitor output: Power ON/OFF status of the individual channels Protection status of the individual channels Fan operation status photocoupler open collector output control current: 12 mA or less Connector: RJ-45 connector × 2 Connection cable: Shielded Category 5 twisted pair cable for LAN (CAT5-STP) Maximum cable distance: 600 m (656.17 yd) |
| LED Indicator | Power (blue) × 1 Protect (red) × 4 |
| Cooling | Forced air cooling |
| Operating Temperature | -10 ? to +40 ? (14 ?F to 104 ?F) |
| Operating Humidity | 90 %RH or less (no condensation) |
| Finish | Panel: Aluminum Case: Plated steel sheet |
| Dimensions | 482 (W) × 88.4 (H) × 404.2 (D) mm (18.98 × 3.48″ × 15.91) |
| Weight | 9 kg (19.84 lb) |
| Accessory | Power cord (2 m (6.56 ft)) Rack mounting screw (with washer) …4 |
| Warranty | 3 years |
