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Conn
Conn 20K BBb Sousaphone

Conn 20K BBb Sousaphone

Best price now

$12,299.00at Pro WindsChecked 7 h ago

16% under what the other stores charge

Compared across 10 stores. Prices are checked against each store and labelled with when.

Visit Pro Winds

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Price facts

  • Lowest price today: $12,299.00 at Pro Winds (checked Nov 10, 2026).
  • Checked at 10 stores.

Our take on the Conn 20K BBb Sousaphone

The Conn 20K is a BBb sousaphone with three nickel-silver pistons, a 26-inch brass bell, and a 0.734-inch bore. It is known for its quick response and smooth valves, and it comes with a Conn 2 mouthpiece and a wheeled hard case. Marching bands favor it for its robust build and projecting sound, though some players find it heavy and note that the lacquer can wear. Compared to other sousaphones, it offers a balanced blend of playability and durability.

Best forMarching bandsSchool bandsPlayers who need a durable sousaphoneThose who prefer piston valves
Pros
  • Quick response and smooth valve action
  • Large 26-inch bell projects well outdoors
  • Durable brass construction with nickel-silver valves
  • Includes mouthpiece and wheeled hard case
Cons
  • Heavy and bulky to carry
  • Lacquer finish may wear over time
  • Some users find the valves noisy

Conn 20K BBb Sousaphone prices at every store

  • SweetwaterPre-owned

    In stockSold by Gear Exchange

    $4,050.00Checked 7 h ago
    Visit Sweetwater
  • Pro WindsNew

    In stock

    $12,299.00Checked 7 h ago
    Visit Pro Winds
  • PlayMusic123.comNew

    In stock

    $14,679.00Checked 7 h ago
    Visit PlayMusic123.com
  • West MusicNew

    In stock

    $14,679.00Checked 7 h ago
    Visit West Music
  • Music & ArtsNew

    In stock

    $14,679.00Checked 7 h ago
    Visit Music & Arts
  • Percussion SourceNew

    In stock

    $14,679.00Checked 7 h ago
    Visit Percussion Source
  • WalmartNew

    In stockSold by PlayMusic123

    $14,679.00Checked 7 h ago
    Visit Walmart
  • Musicians FriendNew

    Out of stock

    $14,679.00Checked 7 h ago
    Visit Musicians Friend
  • Guitar CenterNew

    Out of stock

    $14,679.00Checked 7 h ago
    Visit Guitar Center
  • Chuck Levin's Washington Music CenterNew

    Out of stock

    $14,679.00Checked 7 h ago
    Visit Chuck Levin's Washington Music Center

Conn 20K BBb Sousaphone price history

Lowest price we've seen: $12,299.00 on Nov 10 at Pro Winds. Tracked across 9 stores since Nov 10.

What reviewers say

Reviewers generally praise the Conn 20K for its powerful sound and reliable valves, though some mention weight and valve noise as drawbacks.

What people mention
  • SoundPraisedReviewers say it produces a powerful, projecting sound ideal for marching.
  • ValvesMixedWhile valves are smooth, some users report they can be noisy.
  • WeightCriticisedPlayers note it is heavy and cumbersome to carry for long periods.
  • BuildPraisedOwners appreciate the sturdy construction and durability.
  • FinishCriticisedSome mention the lacquer finish wears off over time.

Specifications

Instrument Type
Sousaphone
Number Of Valves
3
Valve Type
Piston
Valve Action
Smooth
Valve Material
Nickel silver
Bell Size
26"
Bore Size
0.734 in (18.64 mm)

Questions and answers

Is the Conn 20K suitable for beginners?
It can be, but its weight and size may be challenging for younger players. Many beginners start on lighter sousaphones.
How does the Conn 20K compare to the Yamaha YSH-301?
The Conn 20K has a larger bell and a different valve feel, while the Yamaha is often considered lighter. Both are popular for marching bands.
What is included with the Conn 20K?
It includes a Conn 2 mouthpiece and a hard case with wheels.
Is the Conn 20K easy to transport?
It comes with a wheeled hard case, which helps, but the instrument itself is heavy and bulky.
Does the Conn 20K have a lacquer finish?
Yes, it has a clear lacquer finish over brass.
Where is the Conn 20K BBb Sousaphone cheapest?
At Pro Winds, for $12,299.00, 16% under what the other stores charge, as of our latest check.
Where can I buy the Conn 20K BBb Sousaphone?
10 stores we checked sell it, including Sweetwater, Pro Winds, PlayMusic123.com, Musicians Friend, Guitar Center.

Stores we've priced the Conn 20K BBb Sousaphone at

  • Guitar Center deals and prices
  • Walmart deals and prices
Bell Material
Brass
Height
0.00 INH
Length
0.00 INH
Finish Type
Lacquer
Finish Color
Clear
Mouthpiece Size
Conn 2
Mouthpiece Included
Yes
Range
Entire range
Body Material
Brass
Body Shape
Symphony model
Body Construction
Machine-made
Case Included
Yes
Case Type
Hard case with wheels
Typical Users
Marching bands