Boslla · Updated August 2026

Boslla Bullet B4 4-Mode LED Headlight Bulbs: full specs

Boslla Bullet B4 4-Mode LED Headlight Bulbs. Every price and spec below is linked to its source and dated — no guesses.

Source: bulbfacts.com verified 2026-08-12 verify in ledger

The Boslla Bullet B4 4-Mode LED Headlight Bulbs has no published US price yet. It earns a Bronze Deskmark — 10/100 pay-blind standing, #8 of 13 in class.

Verified Aug 12, 2026 · figures linked to their source in the table below

Cheapest LED headlight bulbs: BEAMTECH H11 LED Headlight Bulb, Fanless CSP Y19 Chips, 8000 Lumens 6500K (Pair) — $35.99

See Boslla Bullet B4 4-Mode LED Headlight Bulbs on Amazon We don’t list a US price for this one — check current pricing. As an Amazon Associate we earn from qualifying purchases.

Is the Boslla Bullet B4 4-Mode LED Headlight Bulbs a good buy?

On the spec sheet, its color temp k of 5750 is below the median of the 14, and its lumens per set of 8420 is at the median of the 13.

Specifications

Price (US)	Not published BulbFacts cites an estimated street-price range of $110-120 depending on bulb size/seller; no single manufacturer-listed MSRP was found during this research session
Brand	Boslla
Released	—
Lumens per set	8420
Color temp k	5750
Bulb fitment	Sold across common sizes (bench-tested size not specified); 4 selectable color modes incl. 2950K yellow
Wattage (W)	26.6-28.1 (per bulb, mode-dependent)
LED chip type	Philips LED chips
Beam pattern	1-degree rotatable clocking; 4 selectable modes (white / white-yellow blend / yellow / warning-flash)
Cooling	Fan-cooled, removable external driver
Rated lifespan hrs	—

Source: bulbfacts.com (verified 2026-08-12). Included as a verified real-product substitute for a seed-list brand whose own site was unreachable during this research session. BulbFacts independently bench-tested: 8,420LM/kit in white mode (4,210LM/bulb), 26.6-28.1W/bulb depending on mode, 5750K white / ~5500K white-yellow blend / 2950K yellow modes, Philips LED chips, fan-cooled (43C/109F, 63dB), 1-degree rotatable across 4 selectable modes, removable external driver (55x30x13mm), ~$110-120 street price. Rated lifespan hours are not provided in the review.

Frequently asked questions

How much does the Boslla Bullet B4 4-Mode LED Headlight Bulbs cost?

The Boslla Bullet B4 4-Mode LED Headlight Bulbs has no published US price as of 2026-08-12.

What are the Boslla Bullet B4 4-Mode LED Headlight Bulbs's key specs?

Boslla Bullet B4 4-Mode LED Headlight Bulbs (Boslla): lumens per set 8420, color temp k 5750, bulb fitment Sold across common sizes (bench-tested size not specified); 4 selectable color modes incl. 2950K yellow, wattage w 26.6-28.1 (per bulb, mode-dependent), led chip type Philips LED chips. Full sourced spec sheet verified 2026-08-12.

See Boslla Bullet B4 4-Mode LED Headlight Bulbs on Amazon As an Amazon Associate we earn from qualifying purchases.