Reading the ledger
Loading SirDeal data…Reading the ledger
Loading SirDeal data…One product stays while new challengers arrive. Choose at manufacturer reference prices until your personal winner remains.
Wireless headphones · live matchup
Start with the right substitutes
Choose a headphone style so every matchup answers the same buying question.
The public buying ledger
Every product starts neutral. Preference scores appear only after real head-to-head choices arrive.
View full rankingA simple question, useful evidence
SirDeal records the decision people face: product, price, and alternative together.
Each matchup preserves the prices shown when the choice was made.
Choose one, neither, or ask for more information. Popularity stays hidden first.
Recent choices against strong alternatives sharpen the category signal.