the sia 2500 and the sfb 5000 are about the same price. which is the better buy

I just purchased the sfb 8000d and i didn't realize it when i bought it but it has dual power and ground inputs to make it operate. I also heard on the 8000D that you need a upgraded alternator and at least 3 batteries total because it is very power hungry. I am going to sell my 8000D and purchase the SIA 2500. If you want to run dual power and ground inputs on the sfb-5000D then go for it. You may need an extra battery and alternator upgrade also

It’s a monoblock so 1 channel

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🔊 Feel the Power, Own the Sound!

COMPACT YET MIGHTY - Lightweight 2.44 kg chassis fits easily in your setup without sacrificing performance.
PURE MONOBLOCK BASS - Dedicated single-channel design ensures crystal-clear, distortion-free low frequencies.
UNLEASH MASSIVE POWER - Delivers a thunderous 2500W RMS for earth-shaking sound that commands attention.
PLUG PLAY SIMPLICITY - Surface mount profile and 14.4V compatibility make installation seamless and professional.
GLOBAL STANDARD CERTIFIED - CE certified for quality and safety, trusted worldwide by audio enthusiasts.

The Sundown Audio SIA-2500D is a high-performance monoblock amplifier delivering 2500W RMS power at 14.4V DC. Weighing just 2.44 kg with a compact surface mount design, it offers professional-grade bass amplification certified to CE standards, perfect for audiophiles seeking impactful, distortion-free sound.

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Manufacturer	Sundown Audio
Part number	SIA-2500D
Item Weight	2.44 kg
Package Dimensions	27.5 x 24.8 x 12 cm; 2.43 kg
Item model number	SIA-2500D
Voltage	14.4 Volts (DC)
Item Package Quantity	1
Plug profile	Surface Mount
Specification met	CE
Batteries Required?	No

Sundown Audio SIA-2500D Monoblock 2500W RMS Amplifier

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