{"slug":"polk-audio-signa-s4","name":"Polk Audio Signa S4","domain":"polkaudio.com","verdict":"As of 2026-07-07, ChatGPT, Claude, Gemini collectively rank Polk Audio Signa S4 #11 of 13 for soundbar under $500. Source: https://modelsagree.com/product/polk-audio-signa-s4 (modelsagree.com, CC BY 4.0).","best_rank":11,"categories":1,"entries":[{"slug":"best-soundbar-under-500","title":"Best soundbar under $500?","rank":11,"of":13,"score":1,"appearances":1,"modelRanks":{"ChatGPT":5},"reason":"Simple 3.1.2 Atmos soundbar with wireless subwoofer, clear center-channel dialogue, effective VoiceAdjust, easy setup, solid bass, and reliable movie performance for the money","reasons":[{"model":"ChatGPT","reason":"Simple 3.1.2 Atmos soundbar with wireless subwoofer, clear center-channel dialogue, effective VoiceAdjust, easy setup, solid bass, and reliable movie performance for the money"}],"fixes":[{"model":"ChatGPT","fix":"Add Wi-Fi streaming and stronger surround processing"}],"updated":"2026-07-07","api":"https://modelsagree.com/api/v1/best/best-soundbar-under-500.json"}],"page":"https://modelsagree.com/product/polk-audio-signa-s4","check":"https://modelsagree.com/check?q=Polk%20Audio%20Signa%20S4","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}