Amps & Monitors

SLA-4 – 4x140W Power Amplifier


Offering superb sound quality, the ART SLA-4 studio linear power amplifier delivers the clean power you need for any professional audio application including project or professional studio environments or commercial sound installations.

SLA-4 Applications:

Key Features


Bridged Output Power, 16 Ohms 2 x 200W/Channel RMS
Bridged Output Power, 8 Ohms 2 x 280W/Channel RMS
CMRR > 60dB (typical @1kHz)
Damping Factor > 100
Frequency Response 10Hz to 40kHz, +/- 0.5dB
Total Harmonic Distortion <0.05% (typical)
Hum and Noise > 100dB below clipping
Input Impedance 44k Ω (balanced) / 22k Ω (unbalanced)
Input Sensitivity 1V for full power output into 8 Ω
Input/Output Connections 1/4-inch TRS/Euroblock (Input) / Multi-Way Binding
Minimum Load Impedance, Mono 4 Ω (Bridged)
Minimum Load Impedance, Stereo 2 Ω (Stereo)
Slew Rate > 20V/uS
Stereo Output Power, 4 ohms 4 x 140 W/Channel RMS
Stereo Output Power, 8 ohms 4 x 100W /Channel RMS
Transformer Type Toroidal
Dimensions 1.75″ x 19″ x 13.5″ / 44.5mm x 483mm x 190.5mm
Weight 19.8lbs (9.0kg)
Power Requirements 120VAC 60Hz 1000 W (max)