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Infinity REF1000S Reference Series 10" shallow-mount component subwoofer with 2- or 4-ohm selectable impedance

Item # 108REF100S

Today's compact cars offer less space for a component subwoofer, but Infinity doesn't want you to miss out on the...

Today's compact cars offer less space for a component subwoofer, but Infinity doesn't want you to miss out on the...

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2 questions - 2 answers

Item # 108REF100S

Shop all Infinity Component Subwoofers

About the Infinity REF1000S

Bob Bihlmayer

Low-profile design

Today's compact cars offer less space for a component subwoofer, but Infinity doesn't want you to miss out on the bass you deserve. They designed the Reference Series REF1000S 10" subwoofer to fit into today's smaller enclosures without sacrificing on sound. With response that goes down to 35 Hz, you'll definitely hear the low frequencies you've been missing.

Low-profile design

Today's compact cars offer less space for a component subwoofer, but Infinity doesn't want you to miss out on the bass you deserve. They designed the Reference Series REF1000S 10" subwoofer to fit into today's smaller enclosures without sacrificing on sound. With response that goes down to 35 Hz, you'll definitely hear the low frequencies you've been missing.

Selectable impedance

Unlike most dual-voice coil woofers which allow you to wire the two coils for different impedances, this Infinity sub features a switch which flips between 2 and 4 ohms, the most commonly used settings for a single sub. You'll be able to extract every last watt from your amplifier without compromising stability and thermal safety margins.

Reliability testing

Infinity tests every model under extreme conditions that would break lesser speakers. They freeze them, bake them, shake them, blast them with ultraviolet light and drive them at full power for days to make sure your audio investment lasts for years. Get ready for big bass in a small space.

Subwoofer Wiring Diagrams

To see sample wiring diagrams for all common subwoofer/amplifier combinations, check out this informative article.

READ LESS

Product highlights:

  • 10" shallow-mount component subwoofer
  • polypropylene cone with rubber surround
  • power handling: 200 watts RMS (800 watts peak)
  • impedance: 2 or 4 ohms (selectable)
  • frequency response: 35-175 Hz
  • sensitivity: 89 dB
  • top-mount depth: 3-1/4"
  • sealed box volume: 0.5 cubic feet
  • vented box volume: 1.5 cubic feet
  • grille not included
  • warranty: 1 year
  • MFR # REF1000S

What's in the box:

  • One 10" Subwoofer
  • Owner's manual
  • Technical Data sheet

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4.5 out of 5 stars
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More details on the Infinity REF1000S

Pat M.

Product Research

Features

Impedance: The Reference 1000s has a Selectable Smart Impedance switch (SSI), allowing you to easily change the speaker impedance. Choose between 2Ω and 4Ω.

Sealed Box: Infinity recommends a sealed enclosure with an internal volume of 0.5 ft³. Sealed enclosures provide the most control over a woofer, will handle more power, and provide more accurate sonic reproduction, making them suitable to all types of music.

Ported Box: Infinity recommends a ported enclosure with an internal volume of 1.5 ft³ with one 3" diameter x 7" long port. Ported (or vented) enclosures provide better efficiency in the 40-60Hz range, and are suitable for use with smaller amplifiers, giving you more bass output from less power. However, this efficiency comes at the expense of sound quality at low frequencies (40Hz and below), and control. A subsonic filter is recommended when using a ported enclosure.

Free-Air: While the Reference 1000s can be mounted in free-air (infinite baffle), the power handling decreases by half.

Bandpass Box: Infinity recommends a bandpass enclosure with a sealed chamber volume of 0.75 ft³ and a ported chamber volume of 0.75 ft³ with one 4" diameter x 7.5" long port. Bandpass enclosures often provide the most output available from any amplifier and subwoofer combination, but at the expense of sonic accuracy.

Thiele Small Parameters: The Thiele Small Parameters change based on the impedance setting:

  • 2Ω:
    • Revc: 1.8Ω
    • Levc: 0.65 mH
    • Sd: 353 cm²
    • Bl: 9.05 Tm
    • Vas: 34.03 l
    • Cms: 194 μm/N
    • Mms: 145.01 g
    • Fs: 29.97 Hz
    • Qms: 8.64
    • Qes: 0.62
    • Qts: 0.57
    • Xmax: 7.65 mm
  • 4Ω:
    • Revc: 4.09Ω
    • Levc: 0.72 mH
    • Sd: 353 cm²
    • Bl: 12.97 Tm
    • Vas: 33.47 l
    • Cms: 191 μm/N
    • Mms: 145.64 g
    • Fs: 30.16 Hz
    • Qms: 4.52
    • Qes: 0.69
    • Qts: 0.59
    • Xmax: 7.65 mm

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Customer Q&A

2 questions already asked

Q
How could I determine the best amp for 2 10" shallow-mount component subwoofers 800W peak. I can switch subs from 2-4ohm. And 4 6x8 door speakers?
eric  Mar 24, 2018
1 answer
A
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
kristina  Apr 04, 2018 (Staff)
Q
What is a good mono channel amplifier for running two of these in a sealed box?
colton  Nov 30, 2016
1 answer
A
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
kenneth  Nov 30, 2016 (Staff)

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