550K SERIES

Emerson Premier Pro 550K Pots 

In late 2025, Slash started using our 500K pots on tour—and loved them. 

But for some of his darker guitars, he wanted just a bit more clarity and openness… without losing the weight or character of the instrument.

That’s where the idea for 550K came from.

Why 550K?

- 500K → warm, balanced, familiar 

- 1 Meg → brighter, more HiFi, sometimes too thin 

550K sits right in between.

It can add:

- More clarity and air 

- Better note definition 

- Without sacrificing low-end punch or midrange feel

Not a drastic change—just the right amount.

What You’ll Notice

- Your tone stays alive when rolling back volume 

- Chords feel less congested under gain 

- High end is clear, not harsh

500K = classic 

550K = classic, opened up

Measured, Not Assumed

We don’t rely on printed values—we test and sort every pot.

500K Kits

• Volume: typically 500K–510K (up to ~525K)
• Tone: typically 470K–495K

550K Kits

• Volume: typically 550K–565K (up to ~580K) 
• Tone: typically 530K–549K

One Quality Level

This isn’t “better vs best.” 

At Emerson, everything we make is:

Top tier. Second to none.

The same components and care that go into Slash’s gear go into yours.

You’re not choosing quality—you’re choosing tonal preference.

If your guitar already sounds great—but you want a little more:

- More clarity 

- More definition 

- More usable top end

550K gets you there—without changing what you love.

More openness. Same Emerson soul.