Dayton Audio SPA500 Subwoofer Plate Amplifier

DAYTON AUDIO | Board amplifiers

Dayton Audio SPA500 Subwoofer Plate Amplifier

Name: Dayton Audio Audio erősítő modul | HQ AudioParts
Brand: Dayton Audio
SKU: SPA500
Price: 213590.00 HUF
Availability: LimitedAvailability

SKU: SPA500

1 × 500 W @ 4 Ω / 1 × 273 W @ 8 Ω W Class G

Deliver powerful, low-distortion bass to your home audio system with this subwoofer plate amplifier. It features a Class G design for efficient operation and a 98 dB signal-to-noise ratio. Rated output is 1 × 500 W at 4 Ω.

213 590 Ft

(168 181 Ft + VAT)

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Külső raktár 2. 3 pcs Aug 5.

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Technical data

Rated power (W)	1 × 500 W @ 4 Ω / 1 × 273 W @ 8 Ω W
Amplifier classification	Class G
Distortion	0.92% THD (at rated power)
Analog input/output	1/-
Phase control	1

Frequency transmission	30 Hz – 200 Hz
Standby power consumption	18.4 W (230 V) / 24 W (115 V)
Cutout size	254 mm × 254 mm
Dimensions (mm)	303 x 303 x 133 mm
RCA input/output	2/ -
Power connector	IEC C14
Minimum load	4 Ω
Efficiency	75 %
Signal-to-noise ratio (SNR)	98 dB
Speaker output channels	1
Input impedance	12 kΩ

The Dayton Audio SPA500 Subwoofer Plate Amplifier is a high-performance solution for delivering deep, controlled bass to your home audio system. Engineered for audiophiles and DIY enthusiasts alike, this amplifier brings professional-grade power and clarity to any subwoofer build, ensuring your low frequencies are felt as much as they are heard.

Ideal for upgrading existing subwoofers or constructing custom enclosures, the SPA500 excels in home theatre setups and stereo music systems where precise, room-filling bass is essential. Its robust output makes it suitable for medium to large listening spaces, providing the foundation for an immersive audio experience without distortion or strain.

At the heart of this amplifier lies a Class G design, which operates with up to 75% efficiency by dynamically adjusting voltage rails, reducing heat and power waste. It delivers a rated output of 500 watts RMS into 4 ohms or 273 watts into 8 ohms, with a signal-to-noise ratio of 98 dB for clean, quiet operation. The frequency response spans 30 Hz to 200 Hz, and total harmonic distortion remains low at just 0.92% at rated power. Connectivity includes a single RCA input and an IEC C14 mains socket, while the 303 x 303 x 133 mm chassis requires a 254 mm square cut-out for flush mounting.

With its blend of power, efficiency, and low distortion, the SPA500 is a reliable choice for elevating your audio system’s bass performance.