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Listing Comps / Wilson Audio / X-1/Grand SLAMM

Wilson Audio X-1/Grand SLAMM

Average price
$20,904
Market sales
13
Price trend
↓ 35% vs prior year
$13,900Avg $20,904$29,000
Typical range $17,999 – $24,999 · middle 50% of transactions
Based on 13 market transactions via web search — not HiFi Registry sales. HiFi Registry sales will accumulate as new listings sell on HiFi Registry.

24-month price trend

Jan 25Jul 25Jan 26Jul 26

20 months of data shown — Listing Comps build richer history as transactions accumulate.

Sold or Listed Prices

DateSold or Listed for
Apr 30, 2026$17,999
Apr 16, 2026$15,900
Apr 16, 2026$13,900
Apr 25, 2025$20,000
Nov 1, 2025$29,000
Jun 3, 2024$20,000
Aug 26, 2020$19,999
Dec 1, 2020$24,999
Jul 30, 2020$27,000
Sep 4, 2020$19,999
May 30, 2018$26,000
Feb 15, 2020$21,950
Jul 27, 2016$15,000

13 market transactions via web search — not HiFi Registry sales.

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Other Wilson Audio models
Wilson Audio X-1/Grand SLAMM used price — $20,904 average | HiFi Registry