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.Duty & taxes paid at delivery

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E£ 27738

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Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your drive with powerhouse sound in a sleek package!

SLEEK SPACE SAVVY - Compact design fits seamlessly into your car without sacrificing cabin space.
EFFORTLESS CONNECTIVITY - Supports both high-level and low-level inputs with hi-level sensing power-on for plug-and-play convenience.
PRECISION AUDIO CONTROL - Built-in low-pass and high-pass filters let you tailor your sound with professional-grade clarity.
SMART PROTECTION SYSTEM - Integrated protection circuit and indicator keep your gear safe and sound on every ride.
POWER THAT PACKS A PUNCH - 45 watts continuous output per channel delivers crisp, room-filling sound for your drive.

The Sony XMS400D is a 4-channel Class-D micro amplifier delivering 45W per channel at 4Ω, featuring built-in low-pass and high-pass filters, a compact design ideal for space-conscious installs, and advanced protection circuitry. Perfect for audiophiles seeking crisp, customizable in-car audio with reliable performance.

Specifications

ASIN	B01FUFE33O
Best Sellers Rank	#39,650 in Electronics ( See Top 100 in Electronics ) #65 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 (136)
Item Weight	1.8 Pounds
Manufacturer	Sony Mobile Communications, (USA) Inc
Mfr Part Number	XMS400D
Model Number	XMS400D
Unit Count	1.0 Count
Warranty Description	1 year

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