40
bass headphone amp
Skip itSoft demand (-22.8% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$59.15avg listing price — sweet spot $15–$100
Price range
Good$18.24–$128.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Brand share
Good71%top-5 brand share — brands hold most of the demand
Review moat
Good1,395.8avg incumbent reviews — the moat a new listing must climb
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.2%return rate — above 5% kills the launch gate
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Market size
Bad$61K$61K/yr · 38K searches
Growth
Bad-22.8%90-day search growth — must beat 0% to launch