mxr iso brick
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Good784.75avg incumbent reviews — the moat a new listing must climb
Avg price
Good$126.29avg listing price — sweet spot $15–$100
Returns
Good3.0%return rate — above 5% kills the launch gate
Price range
Okay$20.06–$216.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-1.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Competition
Bad75%top-5 click share — a locked-up shelf
Market size
Bad$26K$26K/yr · 12K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, mxr iso brick is a $26K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 27/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
mxr iso brick market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $32K–$63K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #1,003
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
41
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
0%
- MXR65%
- Tonebird30%
- Donner2%
- lojiraz2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.2% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 1.8×
Top mxr iso brick search terms
- mxr power supply6K/yr
- mxr iso brick5K/yr
- mxr iso brick power supply2K/yr
Top mxr iso brick 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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MXR DC Brick Power Supply
MXR$100.084.6★773 rev

MXR Iso-Brick Power Supply
MXR$167.314.6★219 rev

MXR Mini Iso-Brick Power Supply
MXR$101.684.6★415 rev

MXR M239 Mini Iso-Brick 9v 18v Effects Pedal Power Supply with Tonebird Bundle Including Dunlop ECB004 18-volt Adapter True Tune Tuner Patch Cables and Dunlop Picks
Tonebird$104.464.7★24 rev

MXR M238 Iso-Brick Power Supply Bundle with Dunlop PVP101 Pick Pack
MXR$177.484.6★23 rev
Newest
by launch date
MXR M237 DC Brick Effects Pedal Power Supply 9Vx8 and 18Vx2 Outputs Tonebird ECB009 Power Adapter Barrel Cables Groovetech Guitar Multi-Tool Bundle
Tonebird$102.996 rev

18V Power Adapter Compatible with MXR M237 M238 M239 M 237 238 239 Mini Iso-Brick MXRM237 MXRM238 Dunlop DC Brick Multi DCB-10 DCB10 Guitar Pedal 18VDC 2A mxr Power Supply
lojiraz$20.0616 rev

MXR M238 Iso-Brick Effects Pedal Power Supply 9V 18V Outputs Plus Two Variable 6V-15V with Tonebird Bundle with Dunlop 18V Power Adapter True Tune Tuner Multi-Tool Patch Cables and Dunlop Picks
Tonebird$176.9713 rev

MXR M239 Mini Iso-Brick 9v 18v Effects Pedal Power Supply with Tonebird Bundle Including Dunlop ECB004 18-volt Adapter True Tune Tuner Patch Cables and Dunlop Picks
Tonebird$104.4624 rev

MXR M237 DC Brick Effects Pedal Power Supply 9Vx8 and 18Vx2 Outputs Tonebird Instrument Cable ECB009 Adapter Tuner Picks Patch Cables Bundle
Tonebird$103.6544 rev
Trending
90-day click momentum
MXR M242 ISO-Brick PRO Guitar Effects Pedal Power Supply 10 Isolated DC Output 9V/12V/18V Dedicated Output for Power Supply Tonebird Cable Tool Tuner Patch Bundle
Tonebird$216.843.9★

18V Power Adapter Compatible with MXR M237 M238 M239 M 237 238 239 Mini Iso-Brick MXRM237 MXRM238 Dunlop DC Brick Multi DCB-10 DCB10 Guitar Pedal 18VDC 2A mxr Power Supply
lojiraz$20.063.9★

MXR M238 Iso-Brick Power Supply Bundle with Dunlop PVP101 Pick Pack
MXR$177.484.6★

MXR Iso-Brick Pro Power Supply
MXR$207.944.8★

MXR M239 Mini Iso-Brick 9v 18v Effects Pedal Power Supply with Tonebird Bundle Including Dunlop ECB004 18-volt Adapter True Tune Tuner Patch Cables and Dunlop Picks
Tonebird$104.464.7★
What buyers say about mxr iso brick
What buyers praise and complain about, mined from review topics.What buyers love
“Well-made”
“Works as advertised”
“It's extremely affordable too which is nice since most boutique power supplies are coming in at $150 plus”
“Great power supply”
“However, once we swithed to the Donner power supply, all the noise went away”
“Compact size”
“Like this bundle, also, and the little headstock tuner works great”
“Its a gift”
“The whole pkg was great”
“even can flip polarity when necessary”
What buyers complain about
“noisy”
“Not fully isolated as advertised”
“Loose fit,”
“I would not recommend buying this as quality control is lacking”
“I got a high pitch whine when connecting a tuner to the pedal chain”
“I have 5 pedals on the board, they are high quality pedals too, i daisy chained them, my amp and the chain runs on the same outlet, when i unplugged the board the amp was dead quet, plug the board back in even if unplugged from the amp and i got a nasty hum, while the hum is still present about 80% of it was reduced after i powered everything with the Doner block, seems to be built good too, no complaints”
“as thin as a deck of cards”
Top return reasons
Common questions
- Is mxr iso brick profitable to sell on Amazon United States?
- The niche generates $26K/yr across 12 tracked products. 90-day search growth is -1.2%. Flapen's verdict: Skip it (27/100).
- How competitive is the mxr iso brick niche?
- 4 brands and 41 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in mxr iso brick?
- Top complaints mined from reviews: Noise Level, Advertised Vs Actual Product, Size-Overall. The return rate is 3.0%.
- When does demand for mxr iso brick peak?
- Demand peaks in Jan–Dec; the busiest month runs 1.8× the quietest.
- What does it cost to enter the mxr iso brick niche?
- Listings span $20.06–$216.84; the average listing price is $126.29 (sweet spot $15–$100). The average incumbent carries 785 reviews — the moat a new listing must climb.