does this have to be powered from the battery or can it be powered from head unit?

Needs external power (not from head unit) from battery. I wired mine to fuse block.

will this amp handle 350 watt speakers or do i need a higher amp?

350 watt speakers probably have lower sensitivity which means a mismatch for this low wattage amp. Search and read about speaker sensitivity which is measured in dB.

What wires are required for a 2016 Jeep Grand Cherokee with base six speaker radio?

don't know I ran all new wires for four speaker system.

Is the outside of this amp made of aluminum?

I believe it is thin steel plate.

Xms400d 4 Channel Micro Amplifier Black

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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RM1338

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Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your ride’s soundtrack with Sony’s powerhouse micro amp!

SLEEK SPACE SAVVY - Compact design ensures powerful audio without sacrificing your car’s interior space.
SEAMLESS INTEGRATION - Supports both high-level and low-level inputs with hi-level sensing power on for effortless installation.
PRECISION AUDIO CONTROL - Built-in low-pass and high-pass filters let you tailor your sound with professional-grade clarity.
SMART PROTECTION SYSTEM - Advanced protection circuit and indicator keep your amplifier safe and your music uninterrupted.
POWER THAT PACKS A PUNCH - 45 watts continuous output per channel delivers crisp, immersive sound that transforms your drive.

The Sony XMS400D is a 4-channel micro amplifier delivering 45W per channel at 4Ω, featuring Class-D technology for efficient power use. Its compact design fits easily into any vehicle, while built-in low-pass and high-pass filters provide customizable sound control. Equipped with protection circuits and versatile input options, it ensures reliable, high-quality audio performance for car enthusiasts seeking a premium upgrade.

Specifications

ASIN	B01FUFE33O
Best Sellers Rank	#57,213 in Electronics ( See Top 100 in Electronics ) #114 in Car Multichannel Amplifiers
Brand	Sony
Built-In Media	4 Channel amplifier, Harness, screws, mounting tabs, instructions
Customer Reviews	4.2 4.2 out of 5 stars (137)
Item Weight	1.8 pounds
Manufacturer	Sony Mobile Communications, (USA) Inc
Mfr Part Number	XMS400D
Model Number	XMS400D
Number of Items	1
Unit Count	1 Count
Warranty Description	1 year

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