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Infinity REF1070

Reference Series 10" component subwoofer with selectable impedance

Item # 108R1070M

Ever since Infinity began making speakers, they've been known for quality construction and great sound.

Ever since Infinity began making speakers, they've been known for quality construction and great sound.

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Item # 108R1070M

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About the Infinity REF1070

Quality, great sound, and versatility

Ever since Infinity began making speakers, they've been known for quality construction and great sound. These Reference Series subwoofers also put the spotlight on versatility, with the ability to vary the sub's impedance with the flip of a switch.

Quality, great sound, and versatility

Ever since Infinity began making speakers, they've been known for quality construction and great sound. These Reference Series subwoofers also put the spotlight on versatility, with the ability to vary the sub's impedance with the flip of a switch.

Handles up to 250 watts

Infinity's Reference Series REF1070 10" sub sports a 2" diameter voice coil for good power handling, while airflow from the cone's movement cools the voice coil for increased reliability.

This sub features a polypropylene cone for enhanced stiffness, along with a rubber surround that'll stand up to the abuses of life in an automobile. The stamped steel basket provides a stable home so this sub can play accurately at high levels. The REF1070 handles up to 250 watts RMS (1000 watts peak), and works equally well in sealed or ported enclosures, another example of its versatility.

Selectable impedance

The sub's Selectable Smart Impedance (SSI™) switch allows you to change impedance from 2 ohms to 4 ohms, so you can optimize the sub for your system and the amplifier. This feature makes it easy to reconfigure your system when you add another Reference Series subwoofer or upgrade your amplifier.

To drive this single subwoofer, we recommend a mono amplifier rated between 200 and 375 watts RMS at 2 or 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

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Product highlights:

  • 10" component subwoofer
  • switchable 2- or 4-ohm impedance
  • polypropylene cone
  • nitrile rubber surround
  • power handling: 250 watts RMS (1000 watts peak)
  • frequency response: 30-175 Hz
  • sensitivity (2.83V at 1 meter): 92 dB
  • mounting depth: 5-11/16"
  • sealed box volume: 0.5 cubic feet
  • ported box volume: 1.5 cubic feet
  • grille not included
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # INFREF1070AM

What's in the box:

  • One 10" Woofer
  • Owner's manual (English/ French/ Spanish/ German/ fourteen other languages)

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Infinity REF1070 reviews

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Boom boom!

Crutchfield customer from Camas, WA on 7/30/2019

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Hard hitting bass for its size

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Mediocre

James from Shady Side, MD on 1/8/2019

2015 Ram 1500

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I bought two of these 6 months ago. I have them matched to a Alpine PDX v9 amplifier at 2 ohms. At low volume one of them is already producing noticeable distortion. I may be to blame or the manufacturer may be to blame, I am hard on speakers... anyways I'm going to have to remove both of them and start doing research and find two new replacements. Prior to this problem I would have to say I wasn't very pleased with these speakers, I was always trying to push them to where I was happy . I've always been interested in car audio and installed systems in all my vehicles over the last 30 years. These subwoofers looked like they were well built but... I will be moving on

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Infinity REF1070

Crutchfield customer from Braintree, MA on 11/11/2018

2004 Nissan Pathfinder SE

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The ohm selection feature is definitely nice. I am running two of these powered by an Infinity 4555A which is also powering two sets of Infinity Primus 6.5" coaxial speakers. Nice clean sound all around at reasonable price.

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Infinity REF1070

Crutchfield customer from Tustin, MI on 9/26/2018

2005 Lincoln LS

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Great product I got three and they sound amazing I have a bxx3000 hifonics pushing them and I can't be happier

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Infinity REF1070

Crutchfield customer from Hollis, NH on 7/1/2018

2003 Lexus GS430

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Speaker sounds good. Like the selectable ohm. Was able to drop in to OEM location but needed to fabricate a plate in order to make it fit and be able to be screwed down

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Features

Selectable Smart Impedance (SSI): A switch on the input terminal allows you to easily change the woofer's impedance between 2Ω and 4Ω settings. (The connected amplifier should be off when changing the impedance.) The power handling is the same for either setting; 250 watts RMS/1000 watts peak.

Enclosure Recommendations:

  • Sealed Box Volume: 0.5 ft³
  • Ported Box Volume: 1.5 ft³ with one 3" diameter x 11.3" long port (tuned to 30 Hz)
  • Free-Air: The woofer can also be mounted in free air to a baffle board (infinite baffle, no enclosure). When mounted in free air, the power handling is reduced by half (to 125 watts RMS).
  • Band-Pass: Infinity also recommends a prefabricated band-pass enclosure, but no volume specifications are listed in the manual. Band-pass enclosures often provide the most output available from any amplifier and subwoofer combination, but at the expense of sonic accuracy.

Thiele-Small Parameters: Some of the parameters change based on the impedance setting:

 
Re (Ω) 2.00 4.30
Le (mH) 1.21 0.77
Sd (cm²) 330.10 330.10
Bl (Tm) 10.20 13.60
Vas (liters) 32.30 30.60
Cms (μm/N) 210 200
Mms (g) 134.00 133.90
Fs (Hz) 29.90 30.70
Qms 4.10 2.60
Qes 0.48 0.60
Qts 0.43 0.49
Xmax (mm) 9.25 9.25

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