Output a standalone {argument name="aspect_ratio" default="4:5"} vertical commercial poster, no collage, no multi-grid. Use an original fictional brand, do not imitate existing brand packaging, logos, or ads. Text must only use the brand name, main title, and category explicitly listed in the prompt; do not invent prices, awards, specs, dates, origins, or slogans. The image should reach creative direction review quality: realistic structure, credible materials, clear typography, no watermarks.

Theme: Headphone review sample. Original brand "{argument name="brand_name" default="SONA"}", product "{argument name="product_model" default="ARC H1"}", main title "{argument name="main_title" default="LISTEN"}".

Place a pair of graphite black over-ear headphones in a creamy white studio. Ear cups facing camera, headband slightly tilted back, real cushioning and metal hinges clearly visible. A matte cobalt blue solid sound wave ribbon, varying in width from narrow to wide, enters from bottom-left, passing sequentially through the left ear cup, space behind the headband, and right background, creating a gentle undulation. It is not glowing audio waves nor decorative curves, but flexible material with thickness, edges, and shadows.

Composition Core: "Product suspended on solid sound ribbon — Title forms sound chamber." Huge condensed font "{argument name="main_title" default="LISTEN"}" arranged in depth behind the scene as six character frames. Headphones and sound ribbon weave alternately in front of and behind these frames, creating clear occlusion and spatial layers. Brand "{argument name="brand_name" default="SONA"}" at top, bottom text only "{argument name="product_model" default="ARC H1"} / HEADPHONES". Colors: Black, Warm White, Cobalt Blue. Direct soft lighting, still-life ad quality.

No people, stage lights, music festivals, EQ UI, spectrograms, red idol covers, neon, extra headphones, or meaningless tags.

A professional prompt for generating a commercial poster for headphones using GPT-2, featuring specific brand names, product details, and artistic composition instructions. 来源许可/权利说明：聚合仓库上游许可（请按各条目来源遵循）