ART SLA4 4-Channel Linear Power Amplifier 1U Rackmount
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Description
ART SLA4 4-Channel Linear Power Amplifier for Studio Monitors & Live Sound
The ART SLA4 is a versatile four-channel linear power amplifier built to drive multiple speaker zones with clean, high-fidelity performance. It’s an ideal choice for powering two pairs of studio monitors, a multi-zone system, or higher-output stereo setups where dependable headroom and clear detail matter.
With 4 x 100W per channel at 8Ω and 4 x 140W per channel at 4Ω, the SLA4 delivers the volume and control needed for studio, commercial, and live applications. Each pair of channels can be independently bridged—making it easy to configure the amp for higher-power stereo or distributed audio systems while keeping your signal path accurate and consistent.
Designed for professional integration, the rear panel supports balanced XLR and 1/4" TRS inputs, Euroblock inputs, and binding post outputs that accept bare wire, banana plugs, or spade connectors. SmartFan adaptive cooling automatically adjusts fan speed based on internal temperature to help maintain quiet operation and reliable long-session performance.
Key Features of the ART SLA4 Power Amplifier
- 4-Channel Linear Amplifier Design: Drive multiple monitor sets or speaker zones from a single 1U rackmount chassis.
- High Output Power: Delivers 100W per channel at 8Ω and 140W per channel at 4Ω for strong, controlled playback.
- Independent Bridging per Channel Pair: Bridge either pair of channels for up to 280W at 8Ω to support higher-power stereo configurations.
- Per-Channel Level Control & Status LEDs: Independent volume controls with LEDs for signal activity, clipping, and thermal protection for confident gain staging.
- Pro Connectivity & Speaker Terminations: Balanced XLR, 1/4" TRS, and Euroblock inputs plus multi-way binding post outputs for flexible installation.
- Wide Frequency Response: 10 Hz to 40 kHz (+/- 0.5 dB) to preserve source fidelity across a broad bandwidth.
- SmartFan Adaptive Cooling: Temperature-based fan-speed control for advanced cooling and quiet operation.
Technical Specifications
- Amplifier Type: 4-Channel Linear Power Amplifier
- Stereo Output Power (4Ω): 4 x 140W per channel RMS
- Stereo Output Power (8Ω): 4 x 100W per channel RMS
- Bridged Output Power (16Ω): 2 x 200W per channel RMS
- Bridged Output Power (8Ω): 2 x 280W per channel RMS
- Minimum Load Impedance (Stereo): 2Ω
- Minimum Load Impedance (Bridged/Mono): 4Ω
- Inputs: Balanced XLR, 1/4" TRS, Euroblock
- Outputs: Multi-way binding post (bare wire, banana plug, spade connectors)
- Frequency Response: 10 Hz to 40 kHz (+/- 0.5 dB)
- Hum and Noise: > 100 dB below clipping
- Slew Rate: > 20 V/µs
- Input Impedance: 44kΩ (balanced) / 22kΩ (unbalanced)
- Input Sensitivity: 1 Vrms for full power output into 8Ω
- CMRR: > 60 dB (typical @ 1 kHz)
- Transformer Type: Toroidal
- Rack Space: 1U Rackmount
