Which is better for a large room or party?

The 54W bar. Its 54W output and roughly 20 x 20 ft wash cover more space per unit, and owners say multiple units fill a room.

Which has the longer cord?

The 40W bar, at 6.5 ft. The 54W bar's cord is about 4 ft, which owners often call too short.

Is the 40W wavelength safer?

The 40W bar runs at 385-400 nm, which the maker calls safer for prolonged use than 365 nm. The 54W bar does not state its wavelength.

Both are fan-less LED bars with no moving parts. The 54W has a longer track record with 89 ratings at 4.9, while the 40W has too little feedback to compare.

Is the 54W worth stepping up to?

Yes for stage, party or large-room use where brightness and coverage matter. For a bedroom or small display, the 40W bar's cord and brackets are more convenient.

Can either be dimmed or linked?

No. Neither has a dimmer, DMX or a power-linking outlet, so each bar needs its own outlet and switch.

54W UV Black Light Bar vs ycponggon 40W LED Black Light Bar

Buy the 54W bar if you need maximum glow coverage and silent operation for a room or stage. Buy the 40W bar if you want a longer cord, a built-in switch and adjustable brackets in one unit. The 54W puts out more UV per bar and its 89 ratings average 4.9, though owners report short cords and some units arriving damaged. The 40W is the easier single-bar setup, but it has fewer LEDs and far less owner feedback.

Choose the 54W UV Black Light Bar if you are lighting a large room, stage or party and want the strongest wash with fan-less silence.
Choose the 40W LED Black Light Bar if you want a longer cord, an on-cord switch and 180° adjustable brackets for a bedroom, game room or Halloween display.

Prices

54W UV Black Light Bar: $55.99 at YeeSite (last seen Nov 12)
ycponggon 40W LED Black Light Bar: $15.33 at SmartHomeValueHub (last seen Nov 12)
Difference: the ycponggon 40W LED Black Light Bar is $40.66 cheaper than the 54W UV Black Light Bar at the latest prices (Nov 12)

	54W UV Black Light Bar	ycponggon 40W LED Black Light Bar
UV output	18 LEDs at 3W, 54W total	40 LEDs, 40W total
Beam coverage	120° beam, roughly 20 x 20 ft	120° beam, coverage not stated
Cord and switch	About 4 ft cord, switch on the cord	6.5 ft cord with switch
Mounting	Bracket included, floor or wall	180° adjustable brackets
Wavelength	Not stated	385-400 nm, described as safer than 365 nm
Noise and cooling	Fan-less, silent	Fan-less, heat-dispersing surface
Controls	No dimmer, no DMX, no linking	No dimmer, no DMX, no linking
Owner feedback	4.9 of 5 from 89 ratings	Too few ratings to judge

Spec	54W UV Black Light Bar	ycponggon 40W LED Black Light Bar
LED quantity	18 x 3W	—
Power consumption	54W	—
Voltage	100-240V AC, 50/60Hz	—
Connections	Euro plug, type C CEE 7/16	—
Dimensions	380 x 45 x 90 mm	—
Weight	0,9 Kg	—
Outdoor capability	No	—
DMX controllable	No	—
Sound to light	No	—
Stand alone	No	—
Master / slave	No	—
Bracket included	Yes	—

54W UV Black Light Bar vs ycponggon 40W LED Black Light Bar

Prices

54W UV Black Light Bar vs ycponggon 40W LED Black Light Bar

Prices

54W UV Black Light Bar

ycponggon 40W LED Black Light Bar

What separates them

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54W UV Black Light Bar

ycponggon 40W LED Black Light Bar

Specs compared

What reviewers say

54W UV Black Light Bar

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Buying guides that pick them

54W UV Black Light Bar

ycponggon 40W LED Black Light Bar

What separates them

Prices at every store

54W UV Black Light Bar

ycponggon 40W LED Black Light Bar

Specs compared

What reviewers say

54W UV Black Light Bar

Questions and answers

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More comparisons

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