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Soundstream R3.8

500W 8" Reference R3 Series Dual 2 Ohm Subwoofers

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• RMS Power: 500W
• Sensitivity: 80.7 dB
• Oversized Concave IMPP Primary Cone
• Inverted Roll Polyether Foam Surround
• Nickel Plated 12 ga. Compression Wire Terminal
• 2" 4-Layer Stitched Voice Coil

Learn more about the r38

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This item has been discontinued


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Product Highlights


• RMS Power: 500W
• Sensitivity: 80.7 dB
• Oversized Concave IMPP Primary Cone
• Inverted Roll Polyether Foam Surround
• Nickel Plated 12 ga. Compression Wire Terminal
• 2" 4-Layer Stitched Voice Coil

Description


Soundstream brand icon

Authorized dealer

General Features:

  • 8" Dual 2 Ohm Reference R3 Series Subwoofer
  • Power Handling:
    • RMS: 500 watts
  • Oversized concave IMPP primary cone
  • Die-cast aluminum soundstream reference R3 frame
  • Inverted roll polyether foam surround
  • 2" 4-layer stitched voice coil
  • Nickel plated 12 ga. compression wire terminal
  • Double stacked magnet, t-yoke, and top plate
  • Top-mount depth: 5.25"
  • Sensitivity: 80.7 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Soundstream R3.8 Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Soundstream R3.8 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Soundstream R3.8 Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Soundstream R3.8 Subwoofers

2 Channel Amp

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
Reference R3 Series
Subwoofer Size
8"
RMS Power Handling
500 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Voice Coil Diameter
2"
Sensitivity
80.7 dB
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Injection Molded Polypropylene
Woofer Surround
Poly-Foam
Magnet Structure
Single Stacked
Subwoofer Grille
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Optimum Sealed Box Volume
0.75 cubic feet
Optimum Ported Box Volume
1.25 cubic feet
Top-Mount Depth (Mounting Depth)
5.25"
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
39 Hz
Equivalent Compliance (Vas)
18.392 liters
Total Speaker Q Value (Qts)
1.1517
Electrical Q Value (Qes)
1.3713
Electrical Resistance of Voice Coil (Re)
2.2122 ohm
Mechanical Q Value (Qms)
7.1915
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

R3.8

Weight:

13.00lbs

Internal SKU:

r38

Internal Product ID:

79640

Product and How-to Videos


Customer Ratings & Reviews


Soundstream R3.8 thumbnail image

5 star
38%
4 star
38%
3 star
13%
2 star
0%
1 star
13%



Durability
3.9
Value
4.2
Features
4.7
Design
4.5
Usability
4.7

Customer Reviews

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Build quality was an issue

Bought this sub a couple months ago and just thought id write a review on it now since i just came across it while looking for another subwoofer,and well i only had it for about a week not sure exact amount of watts it was getting but it was around the 500 watts that its rated for it was on a fosgate t400-2 in a 1 cubic foot box tuned to about 33 hz all gains were set with smd dd1 and crossovers with smd cc1...when i first installed it it was nice it sounded great i was actually going to buy another one but after about a week the spider detached from the coil former idk maybe it was bad glue but i ended up taking it apart since i had no use for it once i did i noticed the coils were both still good so the only con i have about this sub is that it could have been built better ive never had that happen to me before so this is a first for me...i would recommend this sub if only that was not an issue

By MIro on July 13, 2014

25 found this helpful


I love this speaker

They are built to last and they handle lots of power

By sherb on February 6, 2015

23 found this helpful


I love this speaker

They are built to last and they handle lots of power

By sherb on February 6, 2015

17 found this helpful


Big sound for a small sub

In a 240sx I used to run a 12" alpine type X, but there goes the trunk and I wanted something smaller. Running this 8" sub off a1800 watt soundstream amp at 1 ohm on a modified bazooka tube ( 1" spacer & lots of grinding). Biggest 8" sub Iv'e seen. After breaking it in Sound quality is very nice. Handles lows very well and hits very hard for a 8" sub. I would say it could hang with a 10" CVR. For the price you wont be dissapointed, best bang for your buck.

By carlos on May 26, 2015

15 found this helpful


the soundstream R3.8

i own one of these little 8s and have it hooked up to a memphis audio mc1.500 class D and thats 500watts RMS into 1ohm the sub takes the beating from this amp.. the box im using is ported 0.51cf (so smaller than recommended) and it still sounds good for an 8.. i do recommend this sub because it produces lows without any distortion and is vibrating my lancer apart.i was shocked to hear this little monster hit these notes like it dose.. definitely a good buy for the price. this is something you expect from SoundStream. thanks

By ponyboy on October 22, 2017

8 found this helpful


great bang for ur buck

Great sub for the price, hits low and hard depending on ur tune. I recommend it if ur on a budget and ain't got a whole lot of room.

By Adrian on December 10, 2015 Checkmark Icon Verified purchase

8 found this helpful


Awesome. For the prices

The little sub has big sound. On my life. Seriously

By Anonymous on December 13, 2019

6 found this helpful


Was good intel it split open

the whole cone was slit clean from the spider as if it had been cut in half bye a samurai warrior. my amp i was running was a 250 watt rms terminator amp it was pounding good and deep intel snoop came on the track. the woofer did not hold up i would not own this subwoofer or buy one. rest in piece paycheck. i loved the woofer for a solid 6 months. in fact i was in love with its deep tones and deeep bass. i played it hard for 6 months strait never had problems when is was on my boss 3000 watt amp.( fyi boss 3000 watts is actually like 150 watts lol) . but my mtx 250.1D blew it in a jiff

By r3 8 hater on June 23, 2016

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