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Massive Audio SUMMOXL124

3000W Peak (1500W RMS) 12" Summo Series Dual 4-ohm Car Subwoofer

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• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• Foam Surround
• Mount depth: 7.48"
• Sensitivity: 92.1 dB

Learn more about the summoxl124

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This item has been discontinued


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Description


Massive Audio brand icon

Authorized dealer


SUMMOXL124

How it is possible to get “MO” out of a Massive Audio CEA 2031 Certified “SUMMO” subwoofer? All you got a do is just Double Stack 250 Oz Strontium Magnets on a newly designed light weight ultra-strong cast aluminum basket. Use dual 4 Ohm Black 3” anodized VC formers with Kevlar Spunlace suspended into a custom Black Anodized 1 piece milled pole-plate. (This helps increase the concentration of the magnet field) Now just add oversized dual Poly Nomex Spiders. Bond them to Kevlar fiber reinforced Non-Pressed Paper Cones that have been stitched in “Red” onto the oversized surround. Throw in some 10 gage speaker cable that’s hard wired to the tinsel leads and just bolt everything together!


Product Details:

  • 12" Dual 4 ohm Summo Series Subwoofer
  • Power Handling:
    • Peak: 3000 watts
    • RMS: 1500 watts
  • Non-Pressed Paper Cone
  • Foam Surround
  • Heavy duty industrial textured cast aluminum basket
  • Red stitched edge to the cone for added strength
  • Oversized mirror image, dual poly nomex spiders
  • Black anodized one piece pole-plate for added motor force
  • Reinforced fiberglass woven dustcap for high power applications
  • Custom tooled rubber gasket and magnet boot
  • 3" High Temperature black anodized Voice coil former
  • 13.5 mm Xmax
  • 250 oz. Triple Stacked Strontium magnet motor structure
  • Resonance Frequency (Fs): 46 Hz
  • Sensitivity: 92.1 dB
  • Recommended sealed box volume: 2.2 cubic feet - 3.2 cubic feet
  • Recommended ported box volume: 2.4 cubic feet - 3.5 cubic feet
  • Top-mount depth: 7.48"
  • Cutout diameter: 11.14"
  • CTA-2031 Compliant
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

PDF IconMassive Audio SUMMOXL124 owner’s manual

Product history:

Massive Audio SUMMOXL124-2 thumbnail
(newest, current model)
Massive Audio SUMMO 124 thumbnail
(previous model, replaced by Massive Audio SUMMOXL124)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Massive Audio SUMMOXL124 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Massive Audio SUMMOXL124 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Massive Audio SUMMOXL124 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Massive Audio SUMMOXL124 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
Summo Series
Subwoofer Size
12"
Peak Power Handling
3000 watts
RMS Power Handling
1500 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
3"
Sensitivity
92.1 dB
Xmax (millimeters)
13.5 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Non-Pressed Paper
Woofer Surround
Foam
Magnet Structure
Triple Stacked
Magnet weight
250 oz.
Magnet Type
Strontium
Subwoofer Grille
No
Re-Cone Kit Available
No
CTA-2031 Compliant
Yes
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
2.2 cubic feet
Optimum Sealed Box Volume
1.7 cubic feet
Maximum Sealed Box Volume
3.2 cubic feet
Minimum Ported Box Volume
2.4 cubic feet
Maximum Ported Box Volume
3.5 cubic feet
Top-Mount Depth (Mounting Depth)
7.48"
Cutout Diameter
11.14"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
46 Hz
Equivalent Compliance (Vas)
14 liters
Total Speaker Q Value (Qts)
0.65
Electrical Q Value (Qes)
0.7
Electrical Resistance of Voice Coil (Re)
3.2 ohm
Mechanical Q Value (Qms)
6.769
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:

Model Number:

SUMMOXL124-2

Weight:

37.01lbs

Internal SKU:

summoxl124

Internal Product ID:

124543

Customer Ratings & Reviews


Massive Audio SUMMOXL124 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
4.9
Features
5
Design
4.9
Usability
5

Customer Reviews

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These subs POUND!

I had 2 15" Massive Audio GTX154 and switched to 2 of these 12" SUMMOXLs and they hit so freaking hard! My whole Jeep Patriot is flexing, almost afraid that the back window is going to blow out. Have them running on a 2000 watt Hifonics Brutus amp wired to 1 ohm in a ported Atrend SPL Bass box. You will not be disappointed in these subs.

By Anonymous on September 12, 2018 Checkmark Icon Verified purchase

32 found this helpful


Very very very pleased

These subs have a physical and auditorial presence that far exceeds any sub I have ever owned. I play them at volume 10 because everything in the car starts shaking at that point and they look good. Quality subs

By 8terry13 on February 23, 2018 Checkmark Icon Verified purchase

28 found this helpful


Summo Thunder

I bought two of these and have been using them for the last couple of days. I'm running them on 800 watts rms wired at 4ohms and these subs are loud.

By Canetrane on February 23, 2018 Checkmark Icon Verified purchase

27 found this helpful


Awesome!!!

Whewww where do I start I have four of these running them on a pure audio 3K and all I'mma say is you get what you pay for once you experience these subs it ain't no going back to anything else ???????????? wish I can add more stars

By G smoker on December 24, 2020

24 found this helpful


Great product

I want to start by saying that the shipping was faster then I expected it to be and the product is “AWESOME” I am barley breaking them in and then sound amazing..... I was I little skeptical bout massive audio because I never use them but I am now a fan and want to see wat else’s there products are capable of.... I had 2 12 NVX that hit really good and hard but it was time for some new and louder and I found it.....I would definitely recommend this sub to anyone and I have not yet had any cons to say just over all a great subwoofer. Just want to thank sonic electronix for always having the best deals and fast shipping...

By James on August 31, 2020 Checkmark Icon Verified purchase

23 found this helpful


Awesome!!!

Whewww where do I start I have four of these running them on a pure audio 3K and all I'mma say is you get what you pay for once you experience these subs it ain't no going back to anything else ???????????? wish I can add more stars

By G smoker on December 24, 2020

22 found this helpful




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