Is that silvery product picture correct? The description shows an entirely different product (which matches the manufacturer's website)

This amp says T400-4 on the face. Although the amp that I had has a completely different look. I think this may be an older design of the RF amps. Power series are good amps and the only type I run... I have been running a Power 1050s since 2001. I don't even bother with Punch or even Prime series.

My HU has 2.5v preamp votage. Setting amp gain at 6 or above gives me audible hiss at any volume. The higher the more. What should I do to get louder?

I had the same issue until I followed sonic electronix guide to Amp tuning. I followed the guide and the hissing stopped. Seems like I turned up the gain too much. At 75% volume on your HU, you shouldn't hear any hissing if no music is on or plugged in. In this case you tuned your amp correctly to your HU. To get it over with you can spend the money to have a professional do so, but I suggest you to follow up some guides on the internet. The sonicelectronix amp guide is a great guide for tuning your amp with your HU. Just Google guides and it will help you.

How many amps does it need?

Here is some information about the current draw of the T400-4 Recommended Fuse: 60 Amps Average Current Draw (13.8V Music): 30 Amps Max. Current Draw (13.8V Sinewave): 60 Amps Suggested Alternator: 75 Amps Thanks for your interest in Rockford Fosgate!

T400 4 | Desertcart Grenada

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EC$2422

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Sold byAmazon GrenadaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Unleash epic sound power in a compact package — don’t just listen, dominate your drive!

COMPACT YET MIGHTY - Sleek Class A/B design fits tight spaces without sacrificing performance.
POWER MEETS PRECISION - 400 Watts of clean, distortion-free sound to elevate your ride’s audio game.
FLEXIBLE CHANNEL MODES - Switch effortlessly between 2 or 4 channel setups to customize your soundstage.
ROCK SOLID RELIABILITY - Built by Rockford Fosgate with a 2-year warranty—engineered to keep you rocking worry-free.
TAILORED AUDIO CONTROL - Punch EQ and 24dB/octave Butterworth crossover let you fine-tune bass and treble with surgical precision.

The Rockford Fosgate Power T400-4 is a 400-Watt Class A/B 4-channel amplifier designed for high-fidelity, full-range audio systems. It supports flexible 2 or 4 channel configurations with stable bridging options, features advanced Punch EQ and Butterworth crossover for precise sound tuning, and boasts a compact footprint ideal for professional-grade car audio builds. Backed by Rockford Fosgate’s renowned build quality and a 2-year warranty, it delivers clean, powerful sound that keeps your system crisp and distortion-free even at high volumes.

Specifications

ASIN	B0012Q9976
Best Sellers Rank	#209,475 in Electronics ( See Top 100 in Electronics ) #480 in Car Multichannel Amplifiers
Brand	Rockford Fosgate
Built-In Media	T400-4
Customer Reviews	4.4 out of 5 stars 67 Reviews
Item Highlight	Class A/B, Ideal for a 4-way Full Range System or Component Speakers on the Front with Subs on the Rear
Item Type Name	Rockford Fosgate T400-4 Power 400 Watt 4-Channel Amplifier
Item Weight	10 pounds
Manufacturer	Rockford Fosgate
Mfr Part Number	T400-4
Model Number	T400-4
Number of Items	1
Unit Count	1 Count
Warranty Description	2 year parts and laborand labor.

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EC$2422

Duties & taxes included

In stock

Sold byAmazon GrenadaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Grenada.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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