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Rockford Fosgate T1650-S

Power Series 6-1/2" component speaker system

Item # 575T1650S

Rockford Fosgate designed the Power T1650-S component speaker system for people who won't put up with inferior...

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Rockford Fosgate designed the Power T1650-S component speaker system for people who won't put up with inferior...

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Item # 575T1650S

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About the Rockford Fosgate T1650-S

A powerful option

Rockford Fosgate designed the Power T1650-S component speaker system for people who won't put up with inferior sound in their cars. Each 6-1/2" woofer features a responsive carbon fiber/polypropylene cone and Santoprene rubber surround that'll stand up to hours of high-volume jams. The separate 1" dome tweeter provides clear, extended highs that can hold their own when the bass gets heavy. The included external crossover network sports selectable tweeter levels and on/off axis switching, allowing you to sculpt the high frequencies to your car's interior.
Crossover networks

Rockford Fosgate includes external crossover networks with selectable tweeter levels for fine tuning your sound.

A powerful option

Rockford Fosgate designed the Power T1650-S component speaker system for people who won't put up with inferior sound in their cars. Each 6-1/2" woofer features a responsive carbon fiber/polypropylene cone and Santoprene rubber surround that'll stand up to hours of high-volume jams. The separate 1" dome tweeter provides clear, extended highs that can hold their own when the bass gets heavy. The included external crossover network sports selectable tweeter levels and on/off axis switching, allowing you to sculpt the high frequencies to your car's interior.

Signature Rockford Fosgate design

Proprietary VAST™ technology increases the woofer's cone area without increasing the size of the basket, giving you  deeper lows and more power handling. And open slots on the heavy-duty aluminum frame make it easier to install these speakers if the factory holes are slightly off, especially in certain European imports.

Installation note: You'll need a pair of our universal backstraps to install the tweeters in the factory locations.

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Product highlights:

  • component speaker system includes two woofers, two tweeters, two external crossover systems, and two woofer grilles
  • 6-1/2" injection-molded carbon/polypropylene woofer
  • Santoprene rubber surround
  • cast aluminum frame
  • separate 1" treated fabric dome tweeter
  • flush- and surface-mount hardware included
  • Vertical Attach Surround Technique (VAST™) increases cone area
  • power range: 5-80 watts RMS (160 watts peak power)
  • frequency response: 47-20,000 Hz
  • sensitivity: 88 dB
  • top-mount depth: 2-9/16"
  • grilles included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # T1650-S

What's in the box:

  • 2 Woofers
  • 2 Woofer grilles
  • 2 Tweeters (6" speaker wire attached terminated with female quick-slide connectors)
  • 2 Crossovers
  • 2 Front flush mount brackets
  • 2 Rear flush mount brackets
  • 2 Angled surface mounting housings
  • 2 Polished tweeter trim rings
  • 2 Brushed tweeter trim rings
  • Two M4x25mm Machine screws
  • Two M4x10mm Machine screws
  • Two M4x15mm Stud bolts
  • Eight 1-1/4" Allen head screws
  • 3mm Allen head bit
  • 8 Speed clips
  • Installation/Operation Instructions (English/ French/ Spanish/ German/ Italian)

Customer reviews

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Rockford Fosgate T1650-S reviews

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Rockford Fosgate T1650-S

Crutchfield customer from Columbus, WI on 7/7/2019

2008 Harley-Davidson Road Glide

Verified customer (What's this?)
Verified employee purchase (What's this?)

I bought thee to 2 replace a second blown pair of Polks. Should have bought these in the first place!

Pros: Much better than the Polk DB6502!!!

Cons: None yet!

Crutchfield response on

0 of 0 found this helpful

east texas

Michael from Point tx on 6/3/2019

2018 Chevrolet Malibu

Verified customer (What's this?)
Verified employee purchase (What's this?)

I am super disappointed in these speakers. I hooked them up to my punch amp which is an amazing amp. We have tried every setting you can think of. I have my treble all the way down just so we can handle the sound. the tweeters are so harsh its unreal.

Pros: easy to install

Cons: sound is horrible

Crutchfield response on 6/4/2019
Michael, we're sorry you're disappointed with your speakers. Whenever you are not completely satisfied with anything you purchase from Crutchfield, please contact our Customer Support team at 1-800-955-9091. Purchases from Crutchfield can be returned or exchanged within 60 days of the purchase.

0 of 0 found this helpful

Great speakers

Russell from Goliad, TX on 3/27/2018

2005 Chevrolet Corvette

Verified customer (What's this?)
Verified employee purchase (What's this?)

Replaced the old bose system in my corvette and it sounds great

Pros: Nice mids and the voices come through crystal clear and the tweeters just blew me away

Cons: None

Crutchfield response on

5 of 5 found this helpful

Rockford Fosgate T1650-S

Crutchfield customer from Maryville, TN on 12/25/2017

2002 Nissan Frontier

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Verified employee purchase (What's this?)

These speakers absolutely rock my little truck can ask for anything better Chris highs and lows love them

Pros:

Cons:

Crutchfield response on

4 of 4 found this helpful

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Pros:

Cons:

Crutchfield response

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More details on the Rockford Fosgate T1650-S

Pat M.

Features & specs

General
Speaker Size 6 1/2
Design 2-way
Tweeter Design 1" Dome
Impedance (Ohms) 4
Tweeter Composition Treated Fabric
Woofer Composition Carbon Fiber filled IMPP
Woofer Surround Santoprene Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 88
Sensitivity at 2.83 volts 91
Frequency Response 47 - 20k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 80
Peak Power Handling (Watts) 160
Top-mount Depth (Inches) 2 9/16
Bottom-mount Depth (Inches) 2 7/8
Cutout Diameter or Length (inches) 5 1/2

Product Research

Features

Injection-Molded Woofers: The woofer cones are injection-molded carbon fiber filled polypropylene. This molding process assures a uniform cone thickness for superior linearity and clarity. It is also light weight and rigid for decreased distortion and improved bass response.

Klippel Verified: The Klippel distortion analyzer, a device that uses a laser and sophisticated software to do large-scale analysis of drivers in motion, lets Rockford Fosgate optimize the speaker's motor structure, voice coil alignment, and suspension to yield the best possible performance.

VAST Surround: The Vertical Attach Surround Technique (VAST) increases a speaker's effective radiating cone area without increasing the size of the basket.

FlexFit 2 Basket: The FlexFit 2 frame utilizes slots (where possible) instead of single screw sized holes; allowing slight adjustment of the speaker when mounted.

Size Classification Note: Some manufacturers, including Rockford Fosgate, call this size speaker a 6-1/2". Because it requires a larger cutout than a standard 6-1/2" speaker, Crutchfield has traditionally referred to this size woofer as a 6-3/4". Please refer to the Crutchfield Vehicle Selector to confirm fit in your vehicle.

Mounting: The 1" treated cloth dome tweeters have multiple mounting configurations; choose flush or surface mount. The surface mount housing can be positioned at two angles, approximately 10° or 30° angle. Depending on the mount used, the installed dimensions are:

  Flush Surface 10° Surface 30°
Mounting Height 0.40" 1.092" 1.340"
Mounting Depth 0.912" Screw Depth Screw Depth
Frame Diameter 2.136" N/A N/A
Cutout Diameter 1.75" N/A N/A
Frame Width N/A 2.128" 2.128"
Frame Depth N/A 2.151" 2.144"

Tweeter Level: A switch on the side of each crossover allows you to adjust the output level of the tweeters to -2 dB, 0 dB, or +2 dB.

Tweeter Axis: Another switch on each crossover adjusts the tweeter output for on axis or off axis placement.

Bi-amp: The crossovers have discrete inputs for the woofer and tweeter, along with a bi-amp on/off switch, so each component can be powered by an individual amplifier channel.

Slope: The crossover slope is 18 dB/octave high pass and 12 dB/octave low pass.

Wiring: The crossover inputs and outputs are set screw clamps; they will accept bare wire up to 10-gauge.

Crossover Dimensions:

  • Width: 4-5/8"
  • Height: 1-3/8"
  • Depth: 4-5/8"

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Great sale price and appears to be a beefy high quality speaker. One that will fill in mid base well and complement my JL 10W3 well. [ Brian  Jul 14, 2018 ]
A
taylor said they would be a excellent fit for my application [ jack  Jan 29, 2018 ]

3 questions already asked

Q
What does the bi-amp switch on the crossover do? Does the passive crossover still change the signals or is the electronics completely bypassed when in bi-amp mode?
[ rigurat  Aug 22, 2019 ]
1 answer
A
Hi! Thanks for your question! The Bi-amp switch on the crossover the T1650-S, will allow you to power the woofer and tweeter separately, off of their own discreet amps. You will still have crossover control when using bi-amp mode. Chat with an Advisor online or by phone at 1-800-324-9695 if you have any other questions on those!
[ Jess  Sep 13, 2019 ]  Staff
Q
What is the purpose of the bi-amp switch on the passive crossover of this set? It seems most would rather have a bi-amp setup of an active crossover with 2 amplifiers connected directly to each the mid speaker and tweeter without going through any passive crossover. So why have a passive crossover in a bi-amp setup?
[ rigurat  Aug 17, 2019 ]
1 answer
A
Not all amplifiers have high pass filters that are adequate to protect the tweeter, The bi-amp setting on allows separate amplification, while still having the Fosgate specific protection for your speakers. You don't necessarily have to have it if you are using a DSP module or amplifier with a highly adjustable, good enough crossover, but is still recommended by Rockford Fosgate.
[ Calvin  Aug 25, 2019 ]  Staff
Q
Will these pair good with a fosgate 2 channel 300w amp? For my motorcycle.
[ Cedric  Mar 26, 2018 ]
2 answers
A
These are rated at 80 watts rms each channel. I'm assuming your 2 channel 300w amp is 150 watts rms each channel. That is border line too much power in my opinion, but I think you can get away with it just be careful when cranking up the volume. If you already have the amp I'd say go for it, but if you are buying a new amp I would get one that is 100 watts per channel. I currently have these in my car with 100 watt rms per channel rockford amp and they sound amazing.
[ Brian  Apr 04, 2018 ]
A
Well I have them on a 600 power 4 channel amp and they seem to want more power
[ jack  Apr 04, 2018 ]

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