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Product Detailed Parameters
- Description：SPEAKER 8OHM 700MW TOP PORT 76DB
- Series：SC-Sambo-WP
- Mfr：Knowles
- Package：Tray
- Type：General Purpose
- Technology：Magnetic
- Impedance：8 Ohms
- Power - Max：1 W
- Shape：Rectangular
- Termination：Spring Type
- Size / Dimension：0.709" L x 0.512" W (18.00mm x 13.00mm)
- Height - Seated (Max)：0.177" (4.50mm)
- Frequency - Self Resonant：500Hz
- Efficiency - dBA：76
- Efficiency - Testing：1W/1M
- Efficiency - Type：Sound Pressure Level (SPL)
- Port Location：Top
- Material - Cone：Polyester
- Material - Magnet：Nd-Fe-B
- Ingress Protection：Waterproof
- Ratings：-
- Frequency Range：300 Hz ~ 15 kHz
- Power - Rated：700 mW
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Overview
The Knowles 2403 260 00133 is a general-purpose rectangular speaker with an 8 Ohm impedance and a 700 mW power rating. It features a top port configuration and delivers a sensitivity of 76 dB. The frequency response spans from 300 Hz to 15 kHz, with a self-resonant frequency of 500 Hz. The component has a maximum seated height of 4.50 mm (0.177 inches) and utilizes a testing efficiency standard of 1W/1m.
Feature Summary
- Top port acoustic design for directional sound projection
- Rectangular form factor suitable for compact enclosures
- General-purpose construction for broad audio applications
Applications
- Consumer electronics requiring compact audio output
- Industrial equipment with space constraints
- Portable devices needing durable speakers
Procurement Notes
Verify the exact part number against official Knowles documentation to ensure compatibility with specific enclosure designs. Confirm that the 8 Ohm impedance matches the target amplifier output requirements. Check for any specific mounting hardware or adhesive recommendations provided in the manufacturer's datasheet to ensure secure installation and optimal acoustic performance.
Selection Notes
Select this component when a rectangular shape and top-port orientation are required for the application. Ensure the system can accommodate the 4.50 mm seated height. Verify that the 300 Hz to 15 kHz frequency range meets the audio fidelity needs. Consider the 700 mW power handling capability relative to the intended drive levels.
Part Context
This speaker belongs to the SC-Sambo-WP series from Knowles Acoustics. The series is designed for general-purpose audio applications where reliability and consistent performance are prioritized. The rectangular package allows for efficient use of board space compared to circular alternatives.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Knowles directly for equivalent components if this specific model is discontinued or unavailable.
