Are these subs good for low notes?

They are awesome for low notes. Huge magnet, stiff cone.

Is this the price for both Massive Audio subs?

Summo124 subs are sold individually not in pairs.

Hiphonics Brutus 3000 amp capable pushing these 12’s ?

If you have 2 of these subwoofers I would suggest the Massive Drago 6K amplifier. they are underrated and will push minimum 3000 watts RMS @ 1 Ohm.

Are these better than x-12 v.2 d4 - sundown audio 12" 1500w rms dual 4-ohm x v.2 series subwoofer ?

No. Hell no!!!! And I don’t even like Sundown

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Description

🎶 Own the streets with bass that speaks louder than words!

MAGNETIC MASTERY - 250 oz double stacked strontium magnets deliver deep, focused bass that commands attention.
PRECISION ENGINEERING - Heavy-duty cast aluminum basket and anodized pole plate for superior heat dissipation and motor control.
UNMATCHED POWER OUTPUT - Feel every beat with 1500W RMS and a peak of 3000W max—your car’s new heartbeat.
COMPETITION READY SOUND - Designed for high-performance car audio enthusiasts who refuse to settle for factory subwoofers.
KEVLAR REINFORCED DURABILITY - Kevlar spun lace and fiber-reinforced cones ensure longevity without cracking or distortion.

The Massive Audio SUMMOXL124 is a 12-inch high-performance car subwoofer engineered for serious bass lovers. Featuring a powerful 1500W RMS (3000W max) output, dual 4-ohm 3-inch voice coils, and a massive 250 oz double stacked strontium magnet, it delivers deep, distortion-free bass. Built with Kevlar-reinforced cones and a heavy-duty aluminum basket, this subwoofer is designed for durability and competition-level sound quality, making it the ultimate upgrade for any car audio system.

Specifications

Mounting Type	Car Mount
Material	Aluminum
Model Name	FBA_SUMMOXL124
Speaker Type	Subwoofer
Special Feature	Bass Boost
Recommended Uses For Product	For car audio systems
Compatible Devices	Smartphone, MP3 player
Subwoofer Diameter	12 Inches
Surround Sound Channel Configuration	3.0
Color	Black
Included Components	12" Subwoofer SUMMOXL124
Is Waterproof	False
Maximum Range	450 Feet
Number of Items	1
Control Method	Remote
Speaker Size	12 Inches
Power Source	Corded Electric
Batteries Required	No
Battery Average Life	1 days
Item Display Diameter	12 inches
Manufacturer	Massive Audio
Item Model Number	FBA_SUMMOXL124
Size	SUMMOXL124 - 12" D4 Ω 3000 Watts
Wattage	3000 W
Product Dimensions	37.08 x 36.83 x 29.72 cm; 15.38 kg

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