VOLT Slim Line 150W Transformer
#1 in Up to 150 WFull review
A contractor-grade 150 W transformer for a small LED system you never want to replace. The lifetime warranty is the reason to pay the premium.
Amazon $274.97$274.97
The VOLT Slim Line 150W Transformer is the better landscape lighting transformer overall, rated 3.5 to 2.9. The VOLT Slim Line 150W Transformer leads on controls, build and voltage taps. The FX Luminaire EX-150 Transformer costs $65.02 less ($209.95 vs $274.97).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
FX Luminaire EX-150 Transformer
#3 in Up to 150 WFull review
A professional 150 W transformer with a 10-year warranty, for an installer who will add their own timer or photocell.
Amazon $209.95$209.95
Which should you buy?
- Choose the VOLT Slim Line 150W Transformer for controls (photocell, timer vs no timer, photocell, app or zones included), build (stainless steel enclosure, toroidal core vs stainless steel enclosure) and voltage taps (12 to 15 V, 2 output voltages vs 15 V, 1 output voltage).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 150 W landscape lighting transformer; a clear win is highlighted. How we rank explains each one.
| Factor weight | VOLT Slim Line 150W Transformer | FX Luminaire EX-150 Transformer |
|---|---|---|
| Overall rating | 3.5/5 | 2.9/5 |
| Value 25% | 0 $183.31 per 100 W ($274.97, 150 W) | 3 $139.97 per 100 W ($209.95, 150 W) |
| Voltage taps 20% | 73 12 to 15 V, 2 output voltages | 60 15 V, 1 output voltage |
| Controls 20% | 50 photocell, timer | 0 no timer, photocell, app or zones included |
| Build 15% | 80 stainless steel enclosure, toroidal core | 50 stainless steel enclosure |
| Warranty 20% | 100 lifetime warranty | 100 10-year warranty |
Specifications
| VOLT Slim Line 150W Transformer | FX Luminaire EX-150 Transformer | |
|---|---|---|
| Output | ||
| Rated output | 150 W | 150 W |
| Output voltage | 12/15 V AC | 15 V AC |
| Distinct taps | 2 | 1 |
| Independent zones | 1 | 1 |
| Controls | ||
| Photocell included | Yes | No |
| Timer | Countdown | None included |
| App control | No | No |
| Build | ||
| Enclosure | Stainless steel | Stainless steel |
| Core | Toroidal | - |
| Terminals | Clamp | - |
| Warranty | Lifetime | 10 years |