ART SLA-4 – 4x140W Power Amplifier
ART SLA-4 – 4x140W Power Amplifier
ART SLA-4 – 4x140W Power Amplifier
ART SLA-4 – 4x140W Power Amplifier

ART SLA-4 – 4x140W Power Amplifier

Regular price $888.00
Tax included.


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:

  • The SLA-4 is a true four-channel amplifier in a single rack-space that can be switched easily from Multi-channel, Stereo and Bridged Mono Modes
  • Separate mode switches allow you to bridge channels 1 and 2, or channels 3 and 4, or both channel pairs
  • Maximizes flexibility by allowing the amp to be configured for best utilization in 2, 3, or 4 channel applications
  • Designed for long-term reliability in any audio application, the SLA-4’s output is fully protected from short circuits.
  • An ultrasonic network decouples RF from the output and helps keep the amplifier stable with reactive loads
  • SLA-4 is stable into loads as low as 2 ohms (stereo mode) or 4 ohms (bridged mode) making it ideal for virtually any installation application or complex system configuration
  • The SLA-4 features SmartFan, an advanced, thermal dependent fan assisted convection cooled system.
  • The SmartFan system is dependent upon the internal ambient temperature of the unit, and runs at high or low levels depending on the amplifier’s cooling needs
  • 1/4-inch TRS and Euroblock balanced inputs as well as multi-way output binding posts are ensure the SLA4 can be quickly and easily tied in to any system without modification.
  • Simple to install tamper proof cover is included

Key Features

    • Extremely Low Noise, Discrete Linear Design
    • 4 x 100 watts/Ch @ 8 ohms, 140 watts/Ch @ 4 ohms
    • 2 x 200 watts/Ch @ 16 ohms, 280 watts/Ch @ 8 ohms (bridged)
    • 2 x 100 watts/Ch @ 8 ohms & 1 x 280 watts @ 8 ohms (bridged)
    • Toroidal Transformer
    • 10 Hz to 40 kHz Frequency Response
    • 1/4-inch TRS, and Euroblock Balanced Inputs
    • Recessed “Pop Out” Detented Gain Knobs
    • Tamper-Proof Faceplate Included
    • Multi-way Binding Post Outputs
    • Low Profile 1U Rack-Mountable Design
  • SmartFan Silent Cooling System


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)

Local Shipping Rates (SGD)

Free Normal Local Shipping (3-5 Work Days) with minimum. $100 spending.

Normal Local Shipping (3-5 Work Days): $10 Flat Fee

Express Local Shipping (Next Work Day): $15 Flat Fee

Self Pick-Up at Office: No Charges (Free). *Customers will need to contact us for arrangements prior to coming to our showroom at 66 Tannery Lane, #01-03J, Sindo Building.

Overseas Shipping

Due to the fluctuating overseas shipping charges we are unable to indicate a fix shipping rate for overseas purchases. If you are based overseas and want to make a purchase and ship to your country, please send us an email at, indicating your order and shipping details. Our team will give you a quotation for your order with specific shipping cost.

*All charges are in Singapore dollars and inclusive of 7% GST.