QA-550 550w+550w Per Zone PROFESSIONAL AMPLIFIER

Tolaye QA-550 Professional Amplifier is a Class AB amplifier technology, voice reduction achieves high fidelity, and the sound basically will not be distorted by the operation of the circuit. 1600Watts 2Channel Professional AmplifierExcellent Power transistor to make the whole dynamic response and sound performance better.

• • • Protection of overheating, overload, short circuit, overload output high-frequency DC-clipping section and fuse.
    • specific annular transformer, providing a high power reserve that is more than three times of rated power to reach good overload capacity.
      
      
    • New aluminium brushed panels make it concise, elegant, and generous.

Strong Power Most sophisticated current amplification technology Built-in overheat protection Reliability Products It's a strong power product and the experiments show that the drive circuit has characteristics of sample construction,powerful drive energy, power consumption is low and costlow.Alternately Control Function can ensure the reliability.Beautiful sound quality and special high resolution.

Stereo@8ohm: 550w+550w
Stereo@4ohm: 810w+810w
Bridge@8ohm: 1120w
Output connectors: 2 speakon for Stereo & Bridge
output Freq.Response: 20 Hz - 20 kHz, +-0.1dB
Input sensitivity: 1.0V
Input impedance: 20kohm/Balanced S/N
Ratio: more than 98dB
THD: Below 0.03% Slew
Rate: 19V/uS

Key Features

Number of Channels: 2
Power Rating
Stereo 8 Ohms: 550 W per Channel
Stereo 4 Ohms: 810 W per Channel
Bridge 8 ohms: 1120 W
Amplifier Class: Class-AB
Performance Protections: Soft Start, Short Circuit, Limiter, DC Fault, AC Line Fuse, Thermal Cut
Frequency Response: 20 Hz - 20 kHz, +-0.1dB
Damping Factor f=20-500Hz8OHMS: 400
Sensitivity: 0.77V/1.0V/1.4V
Input Impedance
10ΚΩ (Unbalanced)
20ΚΩ (Balanced)104db
Cros Talk: 62dB
Slew Rate: 20V/us
Output Connectors: 2 Speakon for stereo & Bridge Output
THD: 0.03%
Physical
Rackmount Size: 2RU
Cooling: Two-step speed fan
Dimensions (WxDxH): 482 x 430 x 90 mm
Net Weight (kg): 14 kg