“Despite its compact size, the X4 is a grown-up audio interface with excellent features and superb audio quality.” - MusicTech  / / The NEW Universal Audio Apollo x4 (SGD2,592) — elite audio conversion / / Get yours today at our showroom or online store: https://t.co/p118V2wmgT https://t.co/lqFaixSRWe
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Sinamex Electronics Pte Ltd
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BENCOOLEN
['“', 'despite', 'compact', 'size', 'x4', 'grown-up', 'audio', 'interface', 'excellent', 'feature', 'superb', 'audio', 'quality', '”', 'musictech', 'new', 'universal', 'audio', 'apollo', 'x4', 'sgd', '2,592', '—', 'elite', 'audio', 'conversion', 'get', 'today', 'showroom', 'online', 'store', 'https://t.co/p118v2wmgt', 'https://t.co/lqfaixsrwe']
['excellent', 'elite', 'compact', 'excellent', 'elite', 'excellent', 'feature', 'superb', 'elite', 'store', 'elite', 'store']
despite compact size audio interface with excellent superb audio quality universal audio apollo elite audio conversion yours today showroom store
despite compact size x4 grownup audio interface excellent features superb audio quality musictech new universal audio apollo x4 sgd2 592 elite audio conversion get today showroom online store
  [
    {"relatedness": False, "type": "product", "explanation": "This post is about a product promotion, not maintenance report feedback."},
    ]

The given Twitter post does not relate to a maintenance report feedback to a public flat house. The post is about a product promotion, specifically the Universal Audio Apollo X4 audio interface, and does not mention any maintenance or infrastructure issues. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "product", and "explanation" set to a brief explanation of why the post is not related to maintenance report feedback.