The $100,000 banana: Audiophile cable myths meet mud, fruit and physics

For decades, the high-end audio world has insisted that cables are destiny — that ultra-pure copper, silver braided to celestial tolerances, and exotic insulation can unlock hidden dimensions in your music.

In 2024, a diyAudio moderator known as Pano decided to test that faith with something less celestial, says Futurism.

He used a banana.

To probe the "decades-long debate" about cable quality, Pano recorded high-quality audio clips from official CDs after running the signal through four wildly different conductors: professional-grade copper wire, an unripe banana, wet mud, and an old microphone cable soldered to pennies.

Forum members were asked to listen and identify which material was used in each clip.

What happened next unsettled expectations more than any silver-plated interconnect ever could. As Pano later admitted, "The amazing thing is how much alike these files sound. The mud should sound perfectly awful, but it doesn't. All of the re-recordings should be obvious, but they aren't."

They weren't obvious at all.

A statistical slap

When the results resurfaced in early 2026 and were analyzed by Tom's Hardware and Headphonesty, the numbers were humbling. Out of 43 total guesses, only six were correct. The analysis was blunt: "Results are consistent with randomness."

In other words, listeners performed about as well as chance would predict. The golden ears, at least in this test, couldn't reliably tell copper from compost.

It's just resistance

The explanation, according to Pano, is rooted not in mysticism but in physics. "Banana and mud (and in the older tests, potato) are simply like putting a resistor in series, meaning that other than changing the signal level, they don't do much," he explained.

That is, unconventional conductors may slightly alter volume, but they don't fundamentally reshape the sound.

What actually matters? "What does seem to actually matter for interconnects is [DC resistance] and shielding," Pano noted. And what doesn't? "What doesn't seem to make much (if any) difference in sonic quality is the material of the conductor. You don't need [oxygen-free copper] or 99.999999 percent pure silver, or Litz wire or anything special. Good old copper wire does the job. Steel, iron or aluminium probably would too."

That's an awkward conclusion in a luxury audio market where some speaker cables sell for over $100,000 and are marketed with near-mystical reverence.

Maybe there are high-end bananas

The internet responded the only way it knows how: with potassium-laced sarcasm. In one write-up of the saga, Victor Tangermann deadpanned, "Maybe there are high-end bananas." The line stuck.

On diyAudio, one forum member mused, "Maybe there are high-end bananas. The common (Cavendish type) tastes not the best." Over on Reddit's r/audiophile, a user joked, "I replaced my speaker cables with trays of mud years ago," while another declared, "I prefer bananas as interconnects for the warm fuzzy potassium."

The mockery rippled across social media, but beneath the humor was a serious point. The experiment didn't claim that all cables are identical under every condition — poor shielding and excessive resistance can absolutely affect performance. But it did suggest that the specific conductor material, so often elevated in marketing copy, may matter far less than advertised.

In a hobby defined by nuance and obsession, the banana didn't just conduct electricity. It conducted a reminder: sometimes the laws of physics are less glamorous — and more reliable — than the poetry of a product brochure.