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Alpine SBR-S8-4 Type-R Loaded Enclosure

Ported Enclosure With One 8" Type-R Subwoofer

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• Peak Power: 1000 Watts ; RMS Power: 350 Watts
• Impedance: 4 Ohms
• Two-Piece Parabolic Kevlar Pulp Cone
• High Amplitude Multi Roll Surround
• 3/8" Medium-Density Fiberboard Construction

Learn more about the sbrs84

We apologize

This item has been discontinued

Description


Alpine brand icon

Authorized dealer

Subwoofer Features:

  • Loaded Enclosure With One 8" Type-R Subwoofer
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 350 watts
  • Recommended power range: 150 - 350 Watts RMS
  • Nominal Impedance: 4 Ohms
  • Two-piece structural parabolic Kevlar reinforced pulp cone
  • High amplitude multi roll Surround
  • Progressive Conex spider design
  • Compound radius curve pole geometry
  • 1.5" high-temperature 4-layer dual voice coils
  • Frequency response: 30-200 Hz
  • Sensitivity: 84 dB
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

Enclosure Features:

  • Ported
  • 3/8" medium-density fiberboard construction
  • Carpet protects enclosure from nicks and scratches
  • Metal grille protects the sub
  • Dimensions: 6-5/8"D x 11-3/8"H x 19-1/4"W

Specifications & Details


Subwoofer Specifications
Series
Type-R Series
Subwoofer Size
8"
RMS Power Handling
350 watts
Peak Power Handling
1000 watts
Woofer Composition
Polypropylene
Woofer Surround
Santoprene Rubber
Sensitivity
84 dB
Frequency Response
30 - 200 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Ported
Number of Subwoofers
1
Box Style/Shape
Square/Rectangle
Wood Thickness
3/8"
Number of Terminals
1
Terminal Type
Spring posts
Box Exterior Color
Black
Box Finish
Carpet
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SBR-S8-4

Weight:

19.80lbs

Internal SKU:

sbrs84

Internal Product ID:

72374

Customer Ratings & Reviews



5 star
80%
4 star
0%
3 star
20%
2 star
0%
1 star
0%



Durability
4.8
Value
4.4
Features
4.4
Design
4.8
Usability
4.8

Customer Reviews

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wasnt expecting the sound it produces

so i did an install in a 1997 dodge ram ext cab truck. 6x9 kappas front 5.25 references rear along with a polk 800.4 then a pioneer gm for the alpine. tuned right this lil thing can bump for the size has great deep tone and hits lows pretty well for a n 8. u can really feel the bass inside but not so much outside which is perfect if u just want clean music. i would recommend two of these for extra thump. but overall i give this a 4.5 only kuz its a lil pricey.

By mars on September 19, 2016

5

found this helpful.

not enough bass for my SUV

This sub was pretty good for its small size. It could hit the low bass notes ok. The problem was that there just wasn't enough of it to fill my Toyota Highlander. Also, I couldn't feel the upper bass notes either, so I couldn't get it to blend with my front component speakers very well. So I am going to return this and now have an Infinity 120.9W in a 1 cubic foot sealed and this sounds so much better in my car. I can feel the bass in my seat, and it sounds much tighter, quicker, and less bloated. This may work for a smaller car but not so much in a larger SUV.

By Sonny on August 8, 2016

2

found this helpful.

Little space? PERFECT MATE!

For my Mini Cooper S you have to be creative on finding any space. I deleted my rear seats made a flat load Hatchback. This have me a lot more options but this sub puts out like nothing you'd expect! I am stocked that I chose this subwoofer set up. I highly recommend this for those who don't feel like spending $600 or more for the custom stealth enclosure (ridiculous!).

By Anonymous on April 4, 2019

1

found this helpful.

Very nice

I was very satisfied with my new purchase. I haven't used it a lot as it is in a truck in restoring but I do have it installed and it sounds great!

By Dan on April 30, 2016

1

found this helpful.

WTF????

I purchased this as a recommendation from a friend. I drive a Mazdaspeed 3 and holy cow this guy awesome. As long as you tune it correctly its amazing. The quality of box and sub is great. I have this setup with Alpine Type R 6.5 and 6x7's and an Alpine PDX V9. The biggest selling point for me was the overall size and the fact I wanted everything to be an Alpine.
Also, one shout out to Customer service. When I placed my order there was one in stock, but at some point it was placed on backorder. Customer service called me on a Sunday to notify me. I called back a few days later to check the status and some had arrived a couple of days early. I really appreciated the heads up especially on a Sunday....thanks.

By Charles on July 3, 2016 Checkmark Icon Verified purchase

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