Is jbl 320 party box cover profitable to sell on Amazon United States?

The niche generates $36K/yr across 13 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +37.7%. Flapen's verdict: Skip it (44/100).

How competitive is the jbl 320 party box cover niche?

10 brands and 13 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in jbl 320 party box cover?

Top complaints mined from reviews: Quality-Overall, Strength, Size-Overall. The return rate is 3.3%.

What does it cost to enter the jbl 320 party box cover niche?

Listings span $16.48–$88.88; the average listing price is $34.79 (sweet spot $15–$100). The average incumbent carries 141 reviews — the moat a new listing must climb.

jbl 320 party box cover

Skip it

A small market ($36K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible$34.79

avg listing price — sweet spot $15–$100

Price range

Incredible$16.48–$88.88

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Great140.92

avg incumbent reviews — the moat a new listing must climb

Growth

Good+37.7%

90-day search growth — must beat 0% to launch

Returns

Okay3.3%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.1%

search→purchase rate — share of searches ending in a sale

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Competition

Bad72%

top-5 click share — a locked-up shelf

Market size

Bad$36K

$36K/yr · 34K searches

According to Flapen's Amazon United States niche tracking, jbl 320 party box cover is a $36K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 44/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

jbl 320 party box cover market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $43K–$52K; units × avg price
Conversion rate: 3.1%
Avg BSR: #878
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 6.0%
Avg brand age: 19 months
Avg seller age: 209 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

10%

LEFOR·Z42%
OUUTMEE18%
MRINCA13%
TXEsign6%
Seracle6%
Jeachan5%
Open — no brand owns it (4 brands, 10%)

Demand

Weekly Amazon search volume, last 31 weeks — +37.7% search growth over the last 90 days.

Open Trend

Top jbl 320 party box cover search terms

jbl 320 party box cover7K/yr +183.2%4.0% conv.
jbl partybox 320 cover9K/yr +19.6%4.9% conv.
jbl partybox 320 accessories7K/yr +29.0%1.0% conv.
jbl partybox 320 case4K/yr +58.8%5.2% conv.
jbl 320 cover6K/yr -23.8%2.5% conv.

All search terms

Top jbl 320 party box cover products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Speaker Case Compatible with JBL PartyBox 320 Bottomless Speaker Dust Cover Storage Bag Fits for JBL PartyBox 310 for Outdoor Travel Black+Orange Portable Cover Only (Without Wheels and Pull Rod)

LEFOR·Z$41.044.7★487 rev

LEFORZ Case Compatible with JBL PartyBox Stage 320 Speaker Portable Speaker Dust Cover Storage Bag Fits for JBL PartyBox 310 for Outdoor Travel Cover Only

LEFOR·Z$28.204.6★152 rev

MRINCA Speaker Cover Compatible with JBL PartyBox 320/PartyBox 310 Scratch-Resistant Dustproof Portable Case with Storage Bag for Outdoor Party Speaker

MRINCA$37.924.4★99 rev

OUUTMEE Speaker Carry Cover Travel Bag Compatible with JBL Party Box 320

OUUTMEE$39.564.5★122 rev

TXEsign Dust Cover Protective Case for JBL Partybox 310/Stage 320 Portable Party Speaker Stretch Speaker Cover Dust Case with Elastic Band Speaker Slip Sleeve

TXEsign$16.874.7★265 rev

Newest

by launch date

Dust Cover for JBL PartyBox 320 Speaker - Breathable & Washable Lycra Fabric Protector with Drawstring Closure Scratch & Dust Resistant Cover (Fits for JBL PartyBox 320)

Seracle$19.7129 rev

5mo ago

Speaker Case Compatible with JBL PartyBox 310/320 Heavy-Duty Protective Storage Bag with Accessory Pockets Padded Lining Dustproof Scratch-Resistant Cover for Outdoor Travel White (Case Only)

Bonioka$38.615 rev

6mo ago

MEGADOO Dust Cover for JBL PartyBox Stage 320 Stretch Lycra Protective Case with Clear Top Window & Breathable Mesh Dustproof Scratch-Resistant Speaker Slipcover

MEGADOO$23.7713 rev

8mo ago

TATAVR Protective Cover for JBL PartyBox 320 Speaker Double-Layer Shield Speaker Bag Travel Case for JBL Party Box Series Scratch-Resistant Dust Proof Shell Portable Carry Tote Bag for PartyBox 320

TATAVR$36.1492 rev

11mo ago

MRINCA Speaker Cover Compatible with JBL PartyBox 320/PartyBox 310 Scratch-Resistant Dustproof Portable Case with Storage Bag for Outdoor Party Speaker

MRINCA$37.9299 rev

1y ago

What buyers say about jbl 320 party box cover

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall32%

“Fit perfectly”

Quality-Overall14%

“Nice Quality”

Value For Money6%

“nice pick up for the amount paid”

Material Quality5%

“thick cordura style material”

Drop/Impact Protection4%

“Good Protection,”

Audio Quality4%

“Sounds great”

Durability4%

“it looks durable”

Portability3%

“Great for traveling with your party box”

Compatibility-Overall3%

“this company claims this dust cover is compatible both for the partybox 320 & 310. It fit on there”

Weight Heavy3%

“Its not bulky at all”

What buyers complain about

Quality-Overall13%

“Poor quality”

Strength9%

“Cheap and flimsy”

Size-Overall8%

“Its way to big you cant even roll the speaker cause the case drags”

Drop/Impact Protection7%

“Not enough padding to protect the item”

Strap/String Quality7%

“No under strap”

Speaker5%

“does not fully cover the speaker”

Thickness4%

“It's not Ultra thick”

Durability3%

“My only complaint is that the bottom of the main zipper that covers the speaker tore within about six months of daily use”

Material Quality2%

“Thin material”

Compatibility-Overall2%

“Not a perfect fit for jbl 320”

Top return reasons

Size-Overall46%

Advertised Vs Actual Product14%

Speaker13%

Value For Money3%

Compatibility-Overall3%

Strap/String Quality2%

Quality-Overall2%

Functionality-Overall2%

Thin1%

Color1%

Common questions

Is jbl 320 party box cover profitable to sell on Amazon United States?: The niche generates $36K/yr across 13 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +37.7%. Flapen's verdict: Skip it (44/100).
How competitive is the jbl 320 party box cover niche?: 10 brands and 13 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in jbl 320 party box cover?: Top complaints mined from reviews: Quality-Overall, Strength, Size-Overall. The return rate is 3.3%.
What does it cost to enter the jbl 320 party box cover niche?: Listings span $16.48–$88.88; the average listing price is $34.79 (sweet spot $15–$100). The average incumbent carries 141 reviews — the moat a new listing must climb.