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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Sundown Audio SIA-2500D Monoblock 2500W RMS Amplifier

Sundown Audio SIA-2500D Monoblock 2500W RMS Amplifier

Product ID: 728877995

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Details

Voltage
14.4 Volts
Manufacturer
Sundown Audio
Maximum Supply Voltage
16 Volts (DC)
Minimum Supply Voltage
9 Volts
Mounting Type
Surface Mount

⚡2500W RMS Power Output

❄️Smart 3-Speed Cooling Fan

🎚️Variable High/Low Pass Filters

Description

⚡ Power your ride with precision and cool confidence!

COMPACT POWERHOUSE - Sleek 7.25" x 7.25" x 2.4" design fits seamlessly into any setup without compromise.
COOL UNDER PRESSURE - Smart Cooler fan with 3-speed control ensures peak performance without overheating.
UNMATCHED POWER SURGE - Delivers a thunderous 2500W RMS at 1 or 2 Ohms for crystal-clear, earth-shaking sound.
ROCK SOLID RELIABILITY - Built-in multi-level protection guards against shorts, voltage spikes, and thermal overloads.
PRECISION AUDIO CONTROL - Customizable high and low pass filters let you tailor your soundstage with surgical accuracy.

The Sundown Audio SIA-2500D is a high-performance Class D monoblock amplifier delivering up to 2500W RMS at 1 or 2 Ohms, with advanced variable crossover filters and a smart cooling system. Designed for audiophiles demanding powerful, clean sound and reliable protection in a compact form factor.

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Good experience, but the tracking updates could be better.

2 months ago

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Very reliable shop with genuine products. Will definitely buy again!

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Manufacturer	Sundown Audio
Part number	SIA-2500D
Item Weight	2.44 Kilograms
Package Dimensions	27.5 x 24.8 x 12 cm; 2.43 kg
Voltage	14.4 Volts (DC)
Mounting Type	Surface Mount
Specification met	FCC
Batteries Required?	No

Sundown Audio SIA-2500D Monoblock 2500W RMS Amplifier

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