CMS-2278-34SP is out of stock and can be placed on backorder.
Available Substitutes:

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PUI Audio, Inc.
In Stock: 0
Unit Price: $4.28000
Datasheet
4 Ohms Balanced Armature Speaker 3 W 304 Hz ~ 20 kHz Top Round
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CMS-2278-34SP

DigiKey Part Number
2223-CMS-2278-34SP-ND
Manufacturer
Manufacturer Product Number
CMS-2278-34SP
Description
SPEAKER, 22 MM, 7.8 MM DEEP, PU+
Manufacturer Standard Lead Time
13 Weeks
Customer Reference
Detailed Description
4 Ohms Balanced Armature Speaker 3 W 304 Hz ~ 20 kHz Top Round
Datasheet
 Datasheet
EDA/CAD Models
CMS-2278-34SP Models
Product Attributes
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Category
Efficiency - Type
Sound Pressure Level (SPL)
Manufacturer
Same Sky (Formerly CUI Devices)
Power - Rated
3 W
Series
Power - Max
3.5 W
Packaging
Tray
Port Location
Top
Part Status
Active
Shape
Round
Technology
Magnetic
Material - Cone
Polyethylene Naphthalate (PEN), Polyurethane (PU)
Type
Balanced Armature
Material - Magnet
Nd-Fe-B
Frequency Range
304 Hz ~ 20 kHz
Termination
Solder Tabs
Frequency - Self Resonant
732.86Hz
Size / Dimension
0.866" Dia (22.00mm)
Impedance
4 Ohms
Height - Seated (Max)
0.307" (7.80mm)
Efficiency - dBA
80.00
Operating Temperature
-20°C ~ 100°C
Efficiency - Testing
1W/500mm
Distortion Rating
5% Max
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
AS02204MR-2PUI Audio, Inc.0668-AS02204MR-2-ND$4.28000Similar
In-Stock: 0
50 estimated in stock on 04-Dec-2026
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All prices are in USD
Tray
QuantityUnit PriceExt Price
1$3.84000$3.84
10$3.02200$30.22
25$2.75360$68.84
50$2.56860$128.43
100$2.39800$239.80
250$2.19264$548.16
500$2.05100$1,025.50
1,000$1.96000$1,960.00
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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