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  6. JBL refflex8d Open Box

Infinity 8" Dual 2 ohm Flex Woofer - Flex 8D Open Box (Complete)

600W Max (150W RMS) 8" 2 ohm Dual Voice Coil Adjustable Depth Subwoofer for Factory Location Upgrade

JBL
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• 600W Max
• 150W RMS
• Polypropylene Cone
• Large Roll Rubber Surround
• Adjustable Height
• Mounts in Factory Locations
• Keeps Factory Look in Vehicles

Learn more about the ls-refflex8d-obc10

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This item has been discontinued

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Description

JBL brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

 

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General Features:

  • 8" Dual 2 ohm FLEX Series Subwoofer
  • Power Handling:
    • Peak: 600 watts
    • RMS: 150 watts
  • Built for installing an upgraded subwoofer in your vehicle's factory location
  • Polypropylene cone
  • Large roll rubber surround
  • Adjustable height: Proprietary sliding flange helps ensure factory look when installing
  • Flange snaps in place
  • Spring-loaded terminals
  • 1-9/16" dual voice coil
  • Top-mount depth: 2.5"
  • Cutout diameter: 7-9/16"
  • Frequency Response: 25 - 500Hz
  • Sensitivity: 84dB
  • Resonance Frequency (Fs): 40.8
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

    • Priced Individually

Check out the Flex 8D Owner's Manual

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Infinity 8" Dual 2 ohm Flex Woofer - Flex 8D Open Box (Complete) Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Infinity 8" Dual 2 ohm Flex Woofer - Flex 8D Open Box (Complete) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Infinity 8" Dual 2 ohm Flex Woofer - Flex 8D Open Box (Complete) Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Infinity 8" Dual 2 ohm Flex Woofer - Flex 8D Open Box (Complete) Subwoofers

2 Channel Amp

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Series
REF-FLEX
Subwoofer Size
8"
Peak Power Handling
600 watts
RMS Power Handling
150 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Frequency Response
25 - 500 Hz
Sensitivity
84 dB
Xmax (millimeters)
3.1 mm
Subwoofer Design
Round / Circle
Main Cone Color
Dark Gray
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Subwoofer Grille
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Sealed
Optimum Sealed Box Volume
.93 cubic feet
Optimum Ported Box Volume
.9 cubic feet
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
40.8 Hz
Equivalent Compliance (Vas)
12.228 liters
Total Speaker Q Value (Qts)
1.363
Electrical Q Value (Qes)
1.704
Electrical Resistance of Voice Coil (Re)
1.89 ohm
Mechanical Q Value (Qms)
6.794
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details

Manufacturer:

JBL

Model Number:

refflex8d Open Box

Weight:

8.00lbs

Internal SKU:

ls-refflex8d-obc10

Internal Product ID:

155315

Customer Ratings & Reviews

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
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