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!

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Rockford Fosgate Power T400-4 400-Watt 4-Channel Amplifier

Product ID: 1617327

Details

Brand
Rockford
Item dimensions L x W x H
13.66 x 8.14 x
Manufacturer
Rockford
Mounting Type
Car Mount
Voltage
12 Volts

⚡400W max power output

🔄2 or 4 channel versatile config

🎚️Punch EQ +18dB boost

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Description

🎵 Unleash your ride’s true voice with power and clarity that commands attention!

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 audio game.
FLEXIBLE CHANNEL MODES - Switch effortlessly between 2 or 4 channel setups to customize your soundstage.
ROCK SOLID RELIABILITY - Built to last with Rockford Fosgate’s legendary quality and a 2-year warranty.
TAILORED SOUND CONTROL - Variable Punch EQ and 24dB/octave Butterworth crossover for crystal-clear highs and booming lows.

The Rockford Fosgate Power T400-4 is a 400-watt Class A/B 4-channel amplifier designed for audiophiles seeking versatile, high-fidelity sound. It supports multiple channel configurations (2 or 4 channels), features advanced Punch EQ with +18dB boost, and includes a 24dB/octave Butterworth crossover for precise tuning. Compact yet powerful, it delivers clean, distortion-free audio with Rockford Fosgate’s renowned durability and a 2-year parts and labor warranty.

Specifications

ASIN	B0012Q9976
Best Sellers Rank	#239,932 in Electronics ( See Top 100 in Electronics ) #559 in Car Multichannel Amplifiers
Brand	Rockford Fosgate
Built-In Media	T400-4
Customer Reviews	4.4 4.4 out of 5 stars (67)
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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B/.1433

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered 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 Panama.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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