Single row or dual row: which should I pick?

Pick the single row for slim mounting spots and a cleaner look. Pick the dual-row C4-Series when you want the most total output, since it fits more LEDs in the same length. Watt for watt, the two perform the same.

Is a wiring harness included?

No. The box has the light bar, mounting brackets and hardware. You need to add a harness separately for a relay-protected install.

What beam patterns are available?

The bar comes in an 8° spot, a 20° flood or a combo. Spot throws far for high-speed use; flood spreads light wide for slower work.

How much light does the 50-inch version put out?

336W and 35,280 lumens. Smaller sizes scale down: the 40-inch is 252W and 26,460 lumens, and the 10-inch is 42W and 4,410 lumens.

Is it really waterproof?

It is rated IP69, the highest pressure-wash protection class, with upgraded shock and impact protection. The lifetime warranty covers condensation and water intrusion.

What voltage does it need?

It runs on 10–30V DC, so it works on 12V and 24V vehicle systems.

What do buyers say about the FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar?

Rated 5 out of 5 from 1 ratings.

Where can I buy the FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar?

2 stores we checked sell it, including MOB, FCKLightBars.

FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar

Best price now

$519.99at MOBChecked Nov 11

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

Visit MOB

FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar

Best price now

$519.99at MOBChecked Nov 11

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

Visit MOB

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Price facts

Last seen at $519.99 at MOB on Nov 11.
Checked at 2 stores.

Our take on the FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar

The C4-SR is a single-row LED light bar built for high-speed off-road and race use. It uses 7W LEDs at 105 lumens per watt behind 4D projector optics, with an 8° spot, 20° flood or combo beam and a 6000K color temperature. The 50-inch version runs 336W and 35,280 lumens, and the die-cast aluminum housing with polycarbonate lens is rated IP69 for water, dust and shock. It suits drivers who want strong output in a slim bar; the trade-off against dual-row bars is total output, since the single row fits fewer LEDs. A wiring harness is not included.

Best forHigh-speed desert and race trucksBuilds with tight mounting spaceBuyers wanting a slim, clean-looking barNight trail and off-road driving

Pros

High output for a single-row bar: 35,280 lumens at 50 inches
4D projector optics with spot, flood and combo beam choices
IP69 rating for water, dust and pressure washing
Die-cast aluminum housing and polycarbonate lens
Lifetime warranty covering LED failure, condensation and flickering
Works on 10–30V DC systems

Cons

Wiring harness sold separately
Single row delivers less total output than a dual-row bar of the same length
6000K light is cool white, which some drivers find harsh in dust or rain
Large 50-inch bar needs solid mounting and a high-output circuit

FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar prices at every store

MOBNew
In stockReturn policy
$519.99Checked Nov 11
Visit MOB
FCKLightBarsNew
In stock
$519.99+ $39.99 shippingChecked Nov 11
Visit FCKLightBars

FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar price history

Lowest price we've seen: $519.99 on Nov 12 at FCKLightBars. Tracked across 1 store since Nov 12.

About the FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar

The C4-SR is a 50-inch single-row LED light bar. It uses 7W LEDs rated at 105 lumens per watt behind 4D reflector/projector optics. The single row gives a slimmer profile than a dual-row bar.

The housing is black die-cast aluminum with a polycarbonate lens. It is rated IP69 and has weatherproof, shockproof and impact protection for on-road and off-road use. The projection is engineered for high-speed race vehicles (140+ mph).

Length: 50 inches
Power: 336W
Output: 35,280 lumens
LEDs: 7W chips, 105 lm/W, single row
Optics: 4D reflector/projector
Color temperature: 6000K
Voltage: 10–30V DC
Housing: Black die-cast aluminum
Lens: Polycarbonate
Waterproof rating: IP69
Warranty: Lifetime: LED failure, condensation, flickering, defects
In the box: 1 light bar, mounting brackets and hardware. Wiring harness not included.

Questions and answers

Single row or dual row: which should I pick?: Pick the single row for slim mounting spots and a cleaner look. Pick the dual-row C4-Series when you want the most total output, since it fits more LEDs in the same length. Watt for watt, the two perform the same.
Is a wiring harness included?: No. The box has the light bar, mounting brackets and hardware. You need to add a harness separately for a relay-protected install.
What beam patterns are available?: The bar comes in an 8° spot, a 20° flood or a combo. Spot throws far for high-speed use; flood spreads light wide for slower work.
How much light does the 50-inch version put out?: 336W and 35,280 lumens. Smaller sizes scale down: the 40-inch is 252W and 26,460 lumens, and the 10-inch is 42W and 4,410 lumens.
Is it really waterproof?: It is rated IP69, the highest pressure-wash protection class, with upgraded shock and impact protection. The lifetime warranty covers condensation and water intrusion.
What voltage does it need?: It runs on 10–30V DC, so it works on 12V and 24V vehicle systems.
Where is the FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar cheapest?: At MOB, for $519.99, as of our latest check.
What do buyers say about the FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar?: Rated 5 out of 5 from 1 ratings.
Where can I buy the FCKLightBars C4-SR 50-Inch Single-Row LED Light Bar?: 2 stores we checked sell it, including MOB, FCKLightBars.