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— IC芯片 | 连接器 | 传感器 | 被动器件 —

1669

1669

$6.38
  • Description：SPEAKER 4OHM TOP PORT
  • Series：-
  • Mfr：Adafruit Industries LLC
  • Package：Bulk

SKU:cdf1035c34ec Category: Brand:

　　
  • Quantity
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Product Detailed Parameters

  • Description：SPEAKER 4OHM TOP PORT
  • Series：-
  • Mfr：Adafruit Industries LLC
  • Package：Bulk
  • Type：General Purpose
  • Technology：-
  • Impedance：4 Ohms
  • Power - Max：3 W
  • Shape：Oval, Rectangular Frame
  • Termination：Wire Leads
  • Size / Dimension：2.756" L x 1.181" W (70.00mm x 30.00mm)
  • Height - Seated (Max)：0.669" (17.00mm)
  • Frequency - Self Resonant：-
  • Efficiency - dBA：-
  • Efficiency - Testing：-
  • Efficiency - Type：-
  • Port Location：Top
  • Material - Cone：-
  • Material - Magnet：-
  • Ingress Protection：-
  • Ratings：-
  • Frequency Range：-
  • Power - Rated：-

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1669

How to buy
Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.
Payment Method
Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.
Delivery time
In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.
Freight calculation
Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.
Mode of Transportation
We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.
Return and Refund
Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.

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Buying Guide
Summary

Adafruit Industries LLC 1669 is used in Speakers category where integration and verification need to stay predictable. Key specs include Description (SPEAKER 4OHM TOP PORT), Type (General Purpose), and Packaging (Bulk).

Selection Notes
  • For 1669, confirm Shape (Oval, Rectangular Frame) is suitable for your use case and operating conditions.
  • Confirm Size / Dimension (2.756" L x 1.181" W (70.00mm x 30.00mm)) meets your design constraints and system-level expectations.
  • Verify Termination (Wire Leads) matches your requirements and the datasheet test conditions.
  • Check Height - Seated (Max) (0.669" (17.00mm)) against the datasheet conditions and your system-level constraints.
Alternates & Substitutions
  • In Speakers, confirm that alternates preserve startup states and fault behavior so system behavior does not change quietly.
  • Begin with the constraints that are hardest to change later: packaging Bulk.
  • Confirm compliance/qualification needs (for example RoHS/REACH or grade) before approving a second source for production.
  • Before approving a second source, compare the functional mode matrix and the test conditions behind the marketing headline specs.
FAQ

What should I compare when selecting an alternate for 1669?
Compare footprint/pinout, key electrical limits, temperature range, and interface requirements, then validate under worst-case conditions.

Can you confirm the Port Location for 1669?
Top

Can you confirm the Termination for 1669?
Wire Leads

Which Size / Dimension is specified for 1669?
2.756" L x 1.181" W (70.00mm x 30.00mm)

Application Scenarios

In practice, adafruit Industries LLC 1669 is listed under the Speakers category and is commonly used when correctness, reliability, and qualification repeatability matter. In real deployments, they support features such as voice triggering, beamforming, or loud alarm signaling where clarity matters. Good audio building blocks reduce tuning effort and deliver consistent user experience across production units. In consumer audio products, consistent gain and noise behavior protect user experience across high-volume builds. Within kiosks and public terminals, robust audio signaling improves accessibility in high-ambient-noise environments. In conferencing systems, microphone front ends support far-field voice pickup in reverberant rooms with HVAC noise and echo.

Compatibility Advice
  • For second-source planning, validate noise, bandwidth, and distortion under the real load and supply rails so performance is not dependent on lab-only conditions. This reduces the chance that substitutions push hidden limits.
Project Fit
  • Works best when you can qualify Adafruit Industries LLC 1669 for Speakers integration on the assembled PCB, when you need repeatable noise and distortion performance that can be verified under the real load and enclosure acoustics.
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