Can these handle a 300 W amp?

No. The 300 W figure is peak, and RMS is only 30 W per driver. Match them to a low-power amp or head unit output to avoid distortion and damage.

Will they fit my car doors?

Only if your openings accept a 6 inch driver and there is enough mounting depth for the magnet and frame. Measure the cutout and depth before buying.

Do I need an enclosure?

They work in small sealed boxes or free-air door locations, but a proper enclosure gives cleaner bass. Running them with no baffle at all loses output.

Are these subs or full-range speakers?

They are woofers, so they cover low and mid-bass. You still need separate speakers or tweeters for mids and highs.

Two 6 inch 4 Ohm woofers. Mounting screws, wiring and enclosures are not included.

Where can I buy the 5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W?

2 stores we checked sell it, including 5core.com, Best Buy.

5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W

Best price now

$19.39at 5core.comChecked 17 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

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5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W

Best price now

$19.39at 5core.comChecked 17 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

Visit 5core.com

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Price facts

Lowest price today: $19.39 at 5core.com (checked Nov 10, 2026).
Checked at 2 stores.

Our take on the 5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W

The 5 Core 6 Inch Subwoofer Pair is a set of two small 4 Ohm woofers aimed at car audio and budget DIY builds. Each driver uses a paper cone, a steel frame and a CCAW voice coil, with a modest 30 W RMS rating and a 300 W peak figure that reflects short bursts rather than sustained power. The 8 oz magnet is light for a subwoofer, so expect modest low-end output compared with larger or heavier drivers. It suits shoppers adding a little bass on a tight budget or replacing worn factory speakers, not anyone chasing deep, loud sub-bass.

Best forBudget car audio upgradesReplacing tired factory speakersSmall sealed or free-air DIY boxesLow-power amps and head units

Pros

Two drivers in one set
4 Ohm load works with most car amps and head units
Light 8 oz magnet keeps mounting simple
Paper cone and steel frame are common, serviceable materials
Air-flow cooling design helps at higher volumes

Cons

30 W RMS is low for real subwoofer duty
300 W peak overstates usable power
6 inch drivers give limited deep bass
8 oz magnet is light for strong low-end control
No enclosure or wiring included

5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W prices at every store

5core.comNew
In stock
$19.39Checked 17 h ago
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Best BuyNew
In stock
$20.80Checked 17 h ago
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5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W price history

Lowest price we've seen: $19.39 on Nov 10 at 5core.com. Tracked across 2 stores since Nov 10.

Specifications

RMS Output: 30 Watts
Maximum Output: 300 Watts (pmpo), 60 Watts (max)
Vehicle Type: Car
Weight: 8 Oz (magnet weight)
Speaker Type: Woofer
Impedance: 4 Ohm
Audio Highlights: 2x Woofer
Material: CCAW (voice coil), Paper (cone), Steel (frame)
Distortion: reduces distortion

Questions and answers

Can these handle a 300 W amp?: No. The 300 W figure is peak, and RMS is only 30 W per driver. Match them to a low-power amp or head unit output to avoid distortion and damage.
Will they fit my car doors?: Only if your openings accept a 6 inch driver and there is enough mounting depth for the magnet and frame. Measure the cutout and depth before buying.
Do I need an enclosure?: They work in small sealed boxes or free-air door locations, but a proper enclosure gives cleaner bass. Running them with no baffle at all loses output.
Are these subs or full-range speakers?: They are woofers, so they cover low and mid-bass. You still need separate speakers or tweeters for mids and highs.
What is in the box?: Two 6 inch 4 Ohm woofers. Mounting screws, wiring and enclosures are not included.
Where is the 5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W cheapest?: At 5core.com, for $19.39, as of our latest check.
Where can I buy the 5 Core 6 Inch Subwoofer Speaker Pair 4 Ohm 300W?: 2 stores we checked sell it, including 5core.com, Best Buy.

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