SounDigital 1500.5 GAN Founders Edition - 5-Channel 4 Ohm Amplifier

Highlights

• Cutting-edge GaN (Gallium Nitride) technology — a revolution in car amplification
• Individually numbered Founders Edition — available in strictly limited quantities
• 4 x 125W RMS @ 4Ω + 1 x 1000W RMS @ 2Ω — power and precision across all channels
• 105 dB SNR — absolute silence, audiophile-grade sound reproduction
• Extended frequency response from 6 Hz to 65.25 kHz — high-resolution source compatible
• Compact size 29.8 x 15.0 x 5.4 cm — absolute discretion, maximum performance

Description

There are amplifiers. And then there is the SounDigital 1500.5 GAN Founders Edition.

The result of decades of research into Gallium Nitride — a semiconductor material with extraordinary electronic properties — this 5-channel amplifier embodies the pinnacle of car audio. Where conventional technologies generate heat and distortion, GaN delivers clean, instantaneous, uncompromising energy. Every note is reproduced with absolute fidelity, from the deepest bass to the most subtle harmonics.

Each unit bears its own serial number. Not a mass-produced product — a signed piece.

• Adjustable satellite HPF/LPF filters: 45 Hz – 850 Hz
• Subwoofer HPF filter: 5 Hz – 40 Hz | LPF: 50 Hz – 500 Hz
• Damping factor: 150 (satellites) / 75 (sub)
• Operating voltage: 9 V – 16 V

Technical Specifications

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Channels 1-4 @ 4Ω	4 x 125W RMS
Bridge channels 1-4 @ 8Ω	2 x 250W RMS
Channel 5 (Sub) @ 4Ω	1 x 660W RMS
Channel 5 (Sub) @ 2Ω	1 x 1000W RMS
Operating voltage	9 V – 16 V
Consumption (music)	65 A
Consumption (max)	130 A
Recommended fuse (music)	80 A
Total efficiency	80%
Damping factor	150 (satellites) / 75 (sub)
Frequency response (-3 dB)	6 Hz – 65.25 kHz
SNR	105 dB
HPF/LPF filter channels 1-4	45 Hz – 850 Hz
HPF filter channel 5	5 Hz – 40 Hz
LPF filter channel 5	50 Hz – 500 Hz
Dimensions (L x W x H)	29.8 x 15.0 x 5.4 cm
SKU	SD1500.5-4 GAN

Why choose it

• GaN outperforms conventional MOSFETs in efficiency, thermal performance, and fidelity — without compromise
• 105 dB SNR: the silence between notes is as important as the notes themselves
• A single unit to power your entire audio system — satellites and subwoofer
• Frequency extension up to 65 kHz: every detail of your high-resolution files is preserved
• Numbered piece, limited production — a rare acquisition, lasting value

⚠️ IMPORTANT - INSTALLATION: It is IMPERATIVE to connect this amplifier to the impedance recommended by the manufacturer and to use the recommended wire gauge. For amplifiers over 2000W RMS, the vehicle's original battery is no longer sufficient. It is strongly advised to adapt the power supply (additional battery, reinforced alternator) to the amplifier's consumption to avoid any risk of damage and ensure optimal performance.

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They may be extended in case of supplier holidays, carrier delays, or unfavorable weather conditions.

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The Sound Auto Concept Team

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