How low of hertz can it receive?

The Fs or free air resonant frequency of this driver is 55 Hz, according to the Pyramid manual. For more info you may look up the driver on the Pyramid website, and click on 'manual download' on the right side of the home page. The manual gives the critical data needed to construct an appropriate size enclosure for this driver. Hope this helps....

Is this spec for each speaker ( Impedance: 4 Ohm 150 Watts RMS/300 Watts Peak Overall) or total for the pair(which would be 75RMS/150 peak ea.)?

It's for each speaker. I only ordered one. The picture shows two but I'm sure it's one.

How many cubic feet required for a sealed enclosure?

Hi, yes this answer is correct "2 cubic feet works great." Thank you both.

Can i use this to just replace the factory subwoofer on a 2010 scion tc?

I would s say yes I used for replacement in my sub boxes and drive them with a JL audio 600 watt sub woofer amp

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Pyramid 6" Car Audio Speaker Subwoofer - 300 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System w/ Molded P.P. Cone, 86 dB, 4Ohm, 40 oz Magnet,1 inch KAPTON Voice Coil -PW677X,Black

Product ID: 1162280

Details

Audio Output Mode
Surround
Brand
Pyramid
Connectivity Technology
Auxiliary
Frequency Response
1 KHz
Speaker Maximum Output Power
300 watts

🔊300W peak power

🧲40 oz magnet for deep bass

🛡️Durable molded P.P. cone

Description

🎶 Feel the Pulse, Own the Drive!

PRECISION AUDIO CLARITY - 4 Ohm impedance and 86 dB sensitivity deliver crisp, distortion-free sound even with factory wiring.
BUILT TO ENDURE THE ROAD - Injection-molded polypropylene cone and treated rubber suspension ensure longevity and resilience against daily wear.
HEAT RESISTANT PERFORMANCE - 1-inch Kapton voice coil handles high temperatures, maintaining peak output without compromise.
SEAMLESS FIT INSTALLATION - Standard 6-inch size with shallow 2.89" mounting depth fits most vehicles effortlessly—upgrade your ride’s sound in no time.
POWER THAT COMMANDS ATTENTION - Unleash 300 watts peak power for immersive, room-shaking bass that turns every drive into a concert.

The Pyramid 6" Car Audio Subwoofer PW677X delivers powerful 300W peak bass with a durable injection-molded polypropylene cone and 40 oz magnet for deep, rich sound. Its 4 Ohm impedance and 86 dB sensitivity ensure clear, distortion-free audio, while the 1" Kapton voice coil supports high-temp operation. Designed for easy installation with a standard 6" diameter and 2.89" mounting depth, this subwoofer is the perfect upgrade for any vehicle seeking premium surround sound performance.

Specifications

ASIN	B000CC3R8I
Additional Features	Speakers
Age Range Description	Adult
Antenna Location	For Music Players
Audio Driver Size	6 inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround
Best Sellers Rank	#278,747 in Electronics ( See Top 100 in Electronics ) #1,339 in Car Component Subwoofers
Brand	Pyramid
Built-In Media	1 Pyramid Branded Product
Color	Black
Compatible Devices	Car Audio System
Compatible with Vehicle Type	Car
Connectivity Protocol	Auxiliary
Connectivity Technology	Auxiliary
Control Method	Remote
Controller Type	Remote Control
Customer Package Type	Standard Packaging
Customer Reviews	4.0 4.0 out of 5 stars (269)
Frequency Response	1 KHz
Global Trade Identification Number	00068888713740
Impedance	4 ohm
Is Waterproof	False
Item Dimensions D x W x H	6.5"D x 6.5"W x 2.89"H
Item Type Name	Accessory
Item Weight	2 pounds
Manufacturer	Sound Around
Maximum Range	5 meters
Model Name	Sound Around
Model Number	PW677X
Mounting Type	Floor Standing
Number of Audio Channels	1
Number of Items	1
Power Source	Corded Electric
Speaker Maximum Output Power	300 watts
Speaker Size	6 inches
Speaker Type	Subwoofer
Specific Uses For Product	Car, Music Players
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	6 inches
UPC	068888713740
Unit Count	1 Count
Warranty Description	1- YEAR
Warranty Type	Limited
Wireless Technology	Bluetooth
Woofer Diameter	6 inches

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