Ashly EcoTour 500.4 | 4-Channel High-Efficiency Power Amplifier (500W/Ch @ 4Ω)

ASHLY EcoTour 500.4  (Ashly ECOTOUR500.4-120V-U)

Eco-Friendly 4-Channel Power Amplifier for Touring & Installed Sound

The Ashly EcoTour 500.4 is a high-efficiency, 4-channel Class D power amplifier engineered for exceptional performance in both live sound and permanent installations. Delivering 500 watts per channel at 4 ohms (and stable down to an unprecedented 0.2 ohms), this amplifier provides rock-solid power with minimal heat and maximum reliability—even in high-temperature environments up to 120°F. Whether you're powering subwoofers or full-range systems, the EcoTour 500.4 delivers unmatched performance with a small carbon footprint.

Ashly EcoTour 500.4 Competitive Differences

• 500W per channel at 2Ω & 4Ω; 250W per channel at 8Ω
• Bridged operation up to 1,000W @ 4Ω or 8Ω
• Unrivaled stability down to 0.2Ω—ideal for complex speaker loads
• Class D topology with ultra-high efficiency and low thermal output
• Selectable gain and front-panel gain trim per channel with lock-out option
• Built-in DPFC (Dynamic Power Factor Correction) for stable power handling
• Solid metal front panel and Bilateral SailFlow™ cooling system
• 70V/100V support via bridged operation
• Comprehensive I/O including XLR/1/4" combo inputs and Neutrik speakON outputs
• Switchable high-pass filters and clip limiters per channel

Ashly EcoTour 500.4 Description

The Ashly EcoTour 500.4 is part of a revolutionary amplifier series purpose-built for high-performance, energy-efficient sound reinforcement. This 4-channel amplifier delivers full-rated power at 2Ω and 4Ω, while maintaining stable operation down to an astonishing 0.2Ω, making it one of the most robust and flexible amplifier platforms available. Its Class D architecture, paired with Dynamic Power Factor Correction, ensures consistent, clean power delivery with minimized strain on electrical infrastructure. The SailFlow™ cooling design provides ultra-reliable thermal management, allowing operation in high ambient temperatures without shutdowns or thermal throttling. EcoTour's eco-conscious engineering extends beyond power efficiency. The amplifier is lightweight (only 21.5 lbs) and designed to reduce carbon impact without sacrificing the audio performance required for demanding FOH or fixed-install environments. Whether you're powering an immersive concert experience or a commercial venue's multi-zone system, the EcoTour 500.4 is an ideal solution for green-conscious sound designers who demand durability, flexibility, and rock-solid power delivery.

EcoTour 500.4 Features

• 4-channel high-efficiency Class D amplifier
• 500W per channel @ 2Ω & 4Ω; 250W per channel @ 8Ω
• 1,000W bridged @ 4Ω or 8Ω
• 70V/100V capability in bridged mode
• Stable down to 0.2 ohms
• Dynamic Power Factor Correction (DPFC)
• Switchable HPF and clip limiter per channel
• Adjustable front-panel input gain with lockout
• Bilateral SailFlow™ forced air cooling
• Solid metal faceplate with rugged touring design
• XLR/1/4" TRS combo and Euroblock inputs
• Neutrik speakON outputs

EcoTour 500.4 Specifications

• Channels: 4
• Power Output:
  • 4 x 500W @ 2Ω / 4Ω
  • 4 x 250W @ 8Ω
  • 2 x 1,000W bridged @ 4Ω or 8Ω
  • 70V/100V capability in bridged mode
• Frequency Response: 20Hz–20kHz, ±0.05dB
• Damping Factor: >250 (8Ω, <1kHz)
• Input Connectors: XLR/TRS combo, Euroblock (3.5mm)
• Output Connectors: Neutrik speakON
• Cooling: Bilateral SailFlow forced-air
• Construction: Solid metal front panel
• Rackmount Size: 2U
• Dimensions: 19” W x 3.5” H x 16.1” D (483 x 89 x 409 mm)
• Weight: 21.5 lbs
• Power Consumption (1/8 Power, 120VAC): 3 Amps
• Warranty: 5 Years