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Description
ART SLA4 4-Channel Studio Linear Power AmplifierOffering 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. 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
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.
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. This 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. The SLA4 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. A simple to install tamper proof cover is included.
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
Specifications:
• Bridged Output Power, 16 ohms: 2 x 200Watts/Channel RMS
• Bridged Output Power, 8 ohms: 2 x 280Watts/Channel RMS
• CMRR: > 60dB (typical @1kHz)
• Damping Factor: > 100
• Frequency Response: 10Hz to 40kHz, +/- 0.5dB
• Hum and Noise: > 100dB below clipping
• Input Impedance: 44k ohms (balanced) / 22k ohms (unbalanced)
• Input Sensitivity: 1V for full power output into 8 ohms
• Input/Output Connections: 1/4-inch TRS/Euroblock (Input) / Multi-Way Binding
• Minimum Load Impedance, Mono: 4 ohms (Bridged)
• Minimum Load Impedance, Stereo: 2 ohms (Stereo)
• Power Requirements: 120VAC 60Hz 1000 watts (max)
• Slew Rate: > 20V/uS
• Stereo Output Power, 4 ohms: 4 x 140Watts/Channel RMS
• Stereo Output Power, 8 ohms: 4 x 100Watts/Channel RMS
• Total Harmonic Distortion: <0.05% (typical)
• Transformer Type: Toroidal
• Dimensions: 1.75" x 19" x 13.5" / 44.5mm x 483mm x 190.5mm
• Weight: 19.8lbs (9.0kg)
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. This 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. The SLA4 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. A simple to install tamper proof cover is included.
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
Specifications:
• Bridged Output Power, 16 ohms: 2 x 200Watts/Channel RMS
• Bridged Output Power, 8 ohms: 2 x 280Watts/Channel RMS
• CMRR: > 60dB (typical @1kHz)
• Damping Factor: > 100
• Frequency Response: 10Hz to 40kHz, +/- 0.5dB
• Hum and Noise: > 100dB below clipping
• Input Impedance: 44k ohms (balanced) / 22k ohms (unbalanced)
• Input Sensitivity: 1V for full power output into 8 ohms
• Input/Output Connections: 1/4-inch TRS/Euroblock (Input) / Multi-Way Binding
• Minimum Load Impedance, Mono: 4 ohms (Bridged)
• Minimum Load Impedance, Stereo: 2 ohms (Stereo)
• Power Requirements: 120VAC 60Hz 1000 watts (max)
• Slew Rate: > 20V/uS
• Stereo Output Power, 4 ohms: 4 x 140Watts/Channel RMS
• Stereo Output Power, 8 ohms: 4 x 100Watts/Channel RMS
• Total Harmonic Distortion: <0.05% (typical)
• Transformer Type: Toroidal
• Dimensions: 1.75" x 19" x 13.5" / 44.5mm x 483mm x 190.5mm
• Weight: 19.8lbs (9.0kg)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Buy it!
Color: 1 Blue and 1 Orange
Love it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 4
Strong beginner paddle.
Color: 1 Blue
I have been using the LiberAla Pickleball Paddle for some of my beginner lessons and let me tell you—this thing is a game changer. My students gave some of their first impressions: "First off, it feels like holding a wand. A very powerful wand, mind you." "I picked it up, and suddenly I felt like I was ready for a professional tournament, even if my skills still resemble a baby giraffe on ice."
The grip is super comfy—it is a little on the bigger side, so not for the smallest hands. The lightweight design makes it easy to catch those tricky volleys. One of my students said they felt like they could send the ball soaring into the stratosphere! Or, you know, at least over the net most of the time.
As for the sweet spot, it is excellent covering most of the face of the paddle. The sound? A little on the loud side, makes a satisfying “thwack” that sounds way more impressive than it is.
Now, I can’t say we didn’t have a few cringe-worthy moments—like when one of my players tried to smash it like a pro and ended up sending the ball straight into my own face -- that's why I always wear protective goggles. Classic! But hey, if laughter is the best medicine, I might just be the healthiest pickleball player out there.
Overall, the LiberAla Paddle is a solid choice for any beginner looking to have a laugh and unleash their inner pickleball guru. Just maybe get some goggles if you’re like some of my students and have a penchant for unintentional self-harm. Happy paddle swinging!
Paddle quality:
Well made, good carbon fiber face, grip is comfortable and absorbent. Edge protector is a big plus for beginners.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 12, 2025
★★★★★ 1
Just 1 paddle 🤦🏻♂️ bad description
Color: 1 Pro Grey
It says set of 2 in the description and i just got 1 .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
★★★★★ 5
Good quality and good value for money
Color: 1 Blue and 1 Orange
Love this pickleball paddle set very much because: 1, the quality is great. I’ve purchased two other paddles. The two paddles in this set are satisfied. The feeling of holding them is good and the sound when they hit the pickle balls is satisfying. It’s not heavy, probably due to the honeycomb and carbon fiber material. 2, the colors are pretty and the color patterns are good designed. It’s easy to find our paddles. 3, this set is a good value for money. It contains two paddles, four balls, and a bag. You get everything with good quality with the money for one paddle.
Overall, this pickleball paddle set has good quality and good value for money. Worth trying.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2025
★★★★★ 5
Great
Color: 1 Pro White
This new pro-level paddle is an absolute revelation, truly earning its five-star rating. My control instantly improved; dinks became effortless and drops landed precisely where I aimed them. The textured surface generates incredible spin, allowing for shots with wicked curve and dive. Power is readily available, transforming drives into piercing rockets across the court. Even during extended rallies, its balanced feel and quick handling keep me agile at the net. The sweet spot is incredibly generous, providing surprising forgiveness on less-than-perfect contact. It feels remarkably durable, shrugging off aggressive play without a scratch. This paddle doesn't just play well; it feels like a natural extension of my own hand, elevating my entire game. Seriously, if you're looking to upgrade your performance, this is the paddle you need.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 21, 2025
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