I have 2 but they cut off once bass hits hard. What could be the issue. I have a 2 channel 1k watt amplifier hooked up bridge.

Are you running them at 1 ohm or 4 ohm? If at 1 ohm is your amp 1 ohm stable when bridged. If not then you need to run them at 4 ohm bridged. That may be the problem. You can look up wiring 2 subs online. Rockford Fosgate wiring wizard is great. Hope that helps!

If I bought 2 to put I’m my car what amp would you recommend? Putting out 2400w.

Bro, lawsuit or not, Rockville RXM-T2 or RXD-T2. They are the exact same specs, only the RXM is silver/blue & RXD is black/red. For $139.99 2200 max 2 x 400 RMS @ 4ohm 2 x 800 RMS @ 2 ohm 1 x 1200 @ 4 ohms bridged. (Not bridgeable @ 2 ohms, tested by Derek Williston aka D-Wiz) Wound up blowing a set of Pyramid 12s (only 350RMS) & got the 1200W, DVC, 2 ohm Skar 12's installed yesterday. Bridged them to 4 ohms in series, & literally cannot believe the power. I had to get a capacitor, went with Audiopipe Stiffening, 3.0 Farad. The amp is #1 on Williston Audio's "Amps that don't break the bank", not to mention the specs are about right for this little set up.

How big is the magnet? And what amp would go good with a pair of these? ..

I'm not sure about the magnet, but I have 2 of these running on a 1200.1 rockford fosgate amp. It puts out a little over 1200watts rms which matches 2 of the subs

I have a pioneer GM-A6704 amp would this be enough juice? 1000w max, but can only be bridged to 2 channels (i think) about 200 watt rms

Honestly, no. Keep that amp for your mids if you like it, but get yourself a descent monoblock for the subs. The Pioneer is severely underpowered and it's a class A/B.

Skar Audio SDR-12 D4 12" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer

Product ID: 255363714

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Details

Brand
Skar Audio
Speaker maximum output power
1200 Watts
Connectivity technology
Wired
Audio output mode
Surround
Mounting type
Car Mount

🌀2.5" 4-layer copper voice coil

🎯22Hz-300Hz frequency range

🔊1200W max power

Description

🎵 Feel the bass, own the road – Skar Audio SDR-12 D4 drops jaws and turns heads!

BUILT TO ENDURE - High roll foam surround and high flux ferrite motor deliver extended power handling without compromise.
DEEP IMMERSIVE BASS - Experience rich lows from 22 Hz up to 300 Hz, perfect for audiophiles craving that ground-shaking sound.
PRECISION ENGINEERING - 2.5-inch 4-layer high-temp copper voice coil ensures durability and crisp, distortion-free lows.
PLUG PLAY BRILLIANCE - Dual 4-ohm impedance offers flexible wiring options for seamless integration into any car audio setup.
POWER THAT COMMANDS ATTENTION - Unleash thunderous bass with 1200 watts max power and 600 watts RMS for relentless performance.

The Skar Audio SDR-12 D4 is a 12-inch dual 4-ohm car subwoofer engineered for powerful, low-frequency sound reproduction. With a max power of 1200 watts and RMS of 600 watts, it features a durable 2.5-inch 4-layer high-temperature copper voice coil and a high roll foam surround for extended bass response from 22 Hz to 300 Hz. Designed for both newcomers and pros, it delivers reliable, hard-hitting bass that transforms any car audio experience.

Specifications

ASIN	B078TPM1HT
Additional Features	High Roll Foam Surround
Age Range Description	Adult
Antenna Location	For Surround Sound Systems
Audio Driver Size	12 Inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Audio output mode	Stereo
Best Sellers Rank	#63,617 in Electronics ( See Top 100 in Electronics ) #73 in Car Component Subwoofers
Brand	Skar Audio
Built-In Media	Skar Audio SDR-12 D4 12" Dual 4 Ohm Car Subwoofer
Color	Black
Compatible Devices	Car
Compatible with Vehicle Type	Car
Connectivity Protocol	Wired
Connectivity Technology	Wired
Connectivity technology	Wired
Control Method	Touch
Controller Type	Corded Electric
Customer Package Type	FFP
Customer Reviews	4.5 out of 5 stars 4,960 Reviews
Enclosure Material	Pressed Paper Cone
Frequency Response	22 Hz
Frequency response	22 Hz
Global Trade Identification Number	00767408279031
Impedance	4 Ohms
Is Waterproof	False
Item Type Name	Car Subwoofer
Item Weight	18.6 Pounds
MP3 player	No
Manufacturer	Skar Audio
Model Name	SDR-12 D4
Model Number	SDR-12 D4
Mounting Type	Car Mount
Mounting type	Car Mount
Number of Audio Channels	1.1
Number of Items	1
Number of Power Levels	1
Power Source	Corded Electric
Processor Count	2
Speaker Maximum Output Power	1200 Watts
Speaker Size	12 Inches
Speaker Type	Subwoofer
Speaker maximum output power	1200 Watts
Specific Uses For Product	car
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	12 Inches
Total Ethernet Ports	2
Tweeter Diameter	12 Inches
UPC	767408279031
Unit Count	1.0 Count
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	No Wireless Communication Technology
Woofer Diameter	12 Inches

Reviews

J**N

Good sub

5.11.2025

R**Y

IT HEATS HARD.

23.11.2024

J**Z

Super

Para quienes se preguntan cómo suena y calidad del producto, comento que es exageradamente genial, valla potencia tiene, está muy pesadito para su tamaño, pero estoy sumamente conforme con la potencia

1.11.2025

L**E

Powerful for the price

20.06.2021

M**Y

They make my hair move...sound really great when tuned. And make people angry at will.

28.01.2026

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