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shallow subwoofer
Skip itPrices mostly outside the sweet spot ($84.89–$445.07) — this niche doesn't clear our bar today.
Review moat
Great452.11avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$277K$277K/yr · 254K searches
Avg price
Okay$226.99avg listing price — sweet spot $15–$100
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Growth
Bad-0.3%90-day search growth — must beat 0% to launch
Returns
Bad6.4%return rate — above 5% kills the launch gate
Brand share
Bad93%top-5 brand share — brand-locked demand
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Price range
Bad$84.89–$445.07cheapest to priciest tracked listing — scored on the share inside $15–$100