Pioneer TS-D1720C 6.75" D-Series Component Car Speakers

Pioneer TS-D1720C

6.75" (Oversized 6.5") 2-Way D-Series Component Car Audio Speaker System

• Peak Power: 260W
• RMS Power: 60W
• 1-1/8" Soft Dome Tweeter
• Mounting Depth: 2-1/2"
• Dual-Layer IMX Aramid/Basalt Fiber Composite Cone
• 4 Ohms Impedance
• Sensitivity: 88dB

We apologize

This item has been discontinued


Authorized dealer

General Features

  • 6-3/4" D-Series Component System
  • Power Handling:
    • Peak: 520 watts per set / 260 watts each side
    • RMS: 120 watts per set / 60 watts each side
  • Dual-Layer IMX Aramid/Basalt fiber composite cone woofer
  • Butyl rubber surround
  • 1-1/8" Soft dome tweeter with magnetic fluid and neodymium magnet
  • Conex damper provides deeper bass and better power handling
  • Full depth basket
  • Built-in passive crossover
  • Rear chamber tweeter design for lower crossover frequency
  • 4 ohms impedance
  • OFC Copper voice coil wire
  • Surface, flush, and invisible tweeter mounting
  • Shallow mount adapters included
  • Top-mount depth: 2-1/2"
  • 1-year warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Speaker Specifications
D-Series (Pioneer)
Priced Per
Speaker Size
6-3/4" (Oversized 6-1/2")
2-way Component System
Tweeter Design
Woofer Composition
Dual-Layer IMX Aramid/Basalt Fiber Composite
Woofer Surround
Butyl Rubber
Peak Power Handling
260 watts
RMS Power Handling
60 watts
88 dB
Frequency Response
30 - 33000 Hz
Impedance (Per Voice Coil)
4 ohms
Top-Mount Depth
Number of Speakers
General specifications
Marine Certified
Hi-Res Certified
Speaker Grilles
What is in the box?
WITB: Speakers
Other Accessory #1
Other Accessory #2
Other Accessory #3
Other Accessory #4
Other Accessory #5
Authorized Dealer
Authorized Dealer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix
Pioneer TS-D1720C

Pioneer TS-D1720C



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Overall rating distribution

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By feature average rating



July 29, 2014

Good sounding, worth buying!

This component kit is a very good sounding and very loud for it's price
Tested out on a Magnat Black Core Four amplifier, and these speakers goes loud.. VERY LOUD!
In the same time: sound quality is not the best, but the high range is clear while the mid-range tends to fall a bit behind.. (maybe due to preference in sound image) Either way.. it's a good buy for this price..
Note: These speakers goes under the name TS-E 1702Ci in the EU region! (and to be honest.. The price you pay for a set in Norway is way over-expensed - they cost like $400 over here)
So yes.. bottom line is.. Definitively worth buying if you are looking for the great balance between price and performance!


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November 3, 2010

very clear soundquality

These are very clear and loud! These are a must get. and at 120 shipped? Awesome! I have these hooked up to a 4 channel eclipse EA3422 amp and the rear channel bridged to a pioneer champion series PRO 12.. and no back speakers. I just wanted a good front stage. I def. recommend these speakers to anyone who wants to hear there music as the artist intended it to sound. i have heard CDT and boston pro components befor and these sounds just as good as they do. but dont buy them unless you plan on powering them with there full rms power. outherwise you could be wasting your time. a clean amp that pushes atleast 45-75 watts RMS is a must


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September 23, 2010

Amazing Product

I bought these components since they came out and they are still among the best I've ever heard. The mids and highs are terrific and they can handle bass really well. A factory or aftermarket radio won't do this component justice so an amp is a must if you truly want to hear what these speakers can do.


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December 9, 2014

sound great !

I ordered these for my tundra to replace the sad excuse for speakers that came factory. I wired them -3db. And they still have some serious crisp highs ! Wow when its cranked they are almost too much . but they have nice clarity when listening to digital music . my radio signal is weak so I don't get the full appreciation but when I got the windows down blasting down the highway with pandora on I smile ear to ear ! I do have an alpine amp on them for now getting about 250w I'm very happy especially for the money . I plan on getting the coaxles for the rears now .


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December 20, 2012

Excellent Speaker for the Price

For the price these components are tough to beat. The upper mid range is a little bright but otherwise an excellent set of speakers. The mounting adapters are a nice addition for easy installation. I only have one complaint; the tweeters have a non-removable housing and are a bit cumbersome to take back apart once assembled. Would recommend to anyone looking for components in the $150 range.


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June 5, 2013

No Regrets Whatsoever !

I usually bought Pioneer only in headunits and in 4 channel amps... But I decided to give these a shot over some Rockford or Polks due to some reviews I had read/heard on the internet. I'll admit that I was blown away after powering them with a Pioneer GM-D8604. Great speakers, great price! Stop reading and just buy them !


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February 17, 2014

Great speaker for the price

Theses speakers are very clear if you us the right amp. If you are looking for a good speaker with good sound get these. Pioneer rocks.


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November 16, 2011

excellent speakers

This pioneer ts-D172C sound awesome built in crossover super great i have them in my 2006 Lincoln Navigator.


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May 19, 2012

Great speakers!

These speakers really do sound great right out of the box! I have them hooked up to an alpine mrpf300 amp and the mids and highs are spectacular!!

I didn't even buy the speakers at the place I installed them and the installers were really impressed!

The tweeters are NOT too bright, I have it wired in the -3 db and they are mounted off axis....sound amazing!

I had infinity reference 6030cs before these and these sound nicer!

Go for them!! Great buy!


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million d

April 3, 2012

the best 6 3/4 component set

These are the best components ever. They are so clear and loud make sure you put a amplifer on these bad boys...


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September 22, 2013

best there is at this price

All I needed for simple, cheap but superb sound speakers


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March 3, 2014

Great Sounds Great Price

My first purchase from Sonic Electronix. The 25-day wait was a killer but hey I live halfway across the Pacific ocean in Papua New Guinea.

These speakers are sounding great on a Jensen Power 760.4. Thank you sonic for an excellent sounding product at a price I can afford and great customers support. You have a repeat customer.


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January 23, 2012


I just put these speakers in the doors of my MR2, they are being powered by a Crunch 5-channel amp and sound amazing!! They take a lot of RMS and as long as the bass isn't too much they sounds really clean. The crossover is large but also adjustable. Has an extra wire that lowers the volume of the tweeters. The woofers are pretty big and heavy but only because these things are built well.


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October 5, 2011

Great sound amazing price

I love these speakers. The tweeters are amazing. Ive had many compliments on them. They have gotten water on them and still work great. Would buy again


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May 24, 2011

Bang for the buck.

These were installed into a 2001 Isuzu Rodeo and only powered form an Alpine head unit, so I can't attest to their overall sound quality if driven from an amp..

Overall the install was fairly straight forward (had to modify mounting locations, but nothing a Dremel and some time couldn't fix). The adapter rings are a nice touch if you have the depth to use them.

Compared to the original factory component setup these are vastly better. Like many other have said the tweeter can be a bit bright, and my wife and I don't like ear bleeding highs, so it was wired at the -3db setup. The bass if good, not overly pronounced, sometimes lacking on the low, low end, but given what I'm working with and no amp it sounds pretty good.

The midrange can be a bit more deceiving. And this might just completely be the issue of no amp, so take this part with a complete grain of salt. Compared to a similar head unit driving a set of 6x8 3 way Pioneers with a Sony amp I had in a previous vehicle these seem a bit lacking. It is hard to describe. The transition is very smooth between the woofer and tweeter, but it's almost like it lacks clarity. Again miles better than the factory setup, could just be an amp thing.

Over all very good component setup for the price. I would purchase again.


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