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RAQ-33985-B148 is listed in the Speakers range at ChipApex. The manufacturer field lists Knowles. Its product description is RECEIVER. Review the specifications below when checking this part for your BOM.
Speakers specifications for RAQ-33985-B148
- Description：RECEIVER
- Series：-
- Mfr：Knowles
- Package：Bulk
- Type：-
- Technology：-
- Impedance：-
- Power - Max：-
- Shape：-
- Termination：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Frequency - Self Resonant：-
- Efficiency - dBA：-
- Efficiency - Testing：-
- Efficiency - Type：-
- Port Location：-
- Material - Cone：-
- Material - Magnet：-
- Ingress Protection：-
- Ratings：-
- Frequency Range：-
- Power - Rated：-
Speakers datasheet and documents for RAQ-33985-B148
Speakers Overview
The Knowles RAQ-33985-B148 is a rectangular balanced armature receiver utilizing magnetic technology. It features an impedance of 49.5 Ohms and operates within a frequency range of 20 Hz to 20 kHz. The component has a height of 1.6 mm. Designed for high-fidelity audio reproduction, it offers warm bass output and high drive capability with low distortion when used in multi-drive systems.
Speakers Feature Summary
- Balanced armature construction for high-fidelity audio
- Dual-element design supporting multi-drive configurations
- High drive capability with low distortion at typical levels
Speakers Applications
- In-ear monitors
- Wireless earphones
- Compact audio devices requiring high-quality sound reproduction
Speakers Procurement Notes
Verify the specific impedance value (49.5 Ohms) against your circuit requirements, as some sources list 56 Ohms. Confirm the active status and availability through official Knowles channels or authorized distributors before finalizing procurement plans.
Speakers Selection Notes
Select this component for applications demanding compact dimensions and rich bass response. Ensure the system supports balanced armature drivers and can accommodate the specified 49.5 Ohm impedance. Ideal for designs prioritizing high drive capability and low distortion in small form factors.
Speakers Part Context
This receiver belongs to Knowles' professional-grade speaker line, engineered for premium sound quality. It complements other balanced armature drivers like the RAU series, focusing on delivering high-fidelity audio in low-power, space-constrained environments such as personal audio equipment.
Speakers Replacement Considerations
Consult official Knowles documentation for verified substitute part numbers. Generic replacements may not match the specific dual-element construction or impedance characteristics required for optimal performance in multi-driver setups.
Explore related parts through Audio Products, all product categories, ChipApex homepage.
