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FLI Underground 6 Inch 16.5cm Coaxial 2 Way 50 Watt Car Speakers

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0333 400 9500

Quoting product code: N92NK


Delivery Options

Same day with

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£ 5.99

Named day or time delivery

from £ 8.99

Free Standard delivery 3-5 days (on orders over £10)


Standard delivery 3-5 days (on orders under £10)

£ 2.99

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About this product


Product overview

• 2 way coaxial car speakers
• PEI Tweeter and midrange deliver outstanding high frequency response.
• Electroplated woofer cone delivers fast articulate bass
• Buytl rubber surround provides improved low frequency response
• The steel mesh grill provides excellent protection for the woofer cone. ABS Gasket adds style and retains the steel mesh grill
• 50w RMS Power
• 150w Peak Power

FLI Underground or FU for short is an expansion of the FLI range, incorporating stylish design and packed with performance, FU is designed to give you more than you bargained for.


Product Specifications


2 way


Mounting Depth:





Speaker Size:

6.5 inch

Operating Specifications

RMS Power Output:


Peak Power:


Frequency Response:

65 - 20,000 HzHz


85 dBdB

Can you please tell me the diagonal distance (i.e from one side to the other) between the fixing holes, please? The holes appear slotted, so what is the maximum/minimum distance between these holes? Thank you.

Asked by: timz27
Unfortunately we do not have this information, but we will request a unit from stock and update you shortly.
Answered by: Billy
Date published: 2017-04-12

Ref Item Code N92NK Speakers, is the price quoted for one speaker or a pair ??? Thanks

Asked by: Trev
These are sold in pairs.
Answered by: Billy
Date published: 2015-12-16

Hi is the price for one pair of speakers or only one speaker thanks  edwin

Asked by: Edwin
These are sold in pairs.
Answered by: PaulaC
Date published: 2015-07-17

What is the diameter between the fixing lugs please?
Asked by: Ian Stevens
Answered by: NG
Date published: 2015-07-17

What is the impedance?
Asked by: Laura
These have a nominal impedance of 4Ω. RW
Answered by: RW
Date published: 2015-07-17
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