What is the impedance of RD1223-01(NC)?

The RD1223-01(NC) has an impedance of 32Ω ±15% measured at 1kHz.

What diaphragm material is used in this driver?

It uses a PU + paper composite diaphragm, optimized for sound clarity and waterproofing.

How sensitive is the RD1223-01(NC)?

It delivers 121.5 ± 3 dB SPL at 1kHz with 179mVrms input, offering high acoustic efficiency.

Is it suitable for compact earphones?

Yes, the RD1223-01(NC) is lightweight (approx. 0.8g) and designed for internal welding, making it ideal for compact and sealed earphone applications.

What is the maximum power handling?

It supports a maximum power of 10mW and a rated power of 5mW.

What’s the distortion level of the driver?

The THD is less than or equal to 3% from 50Hz to 8kHz.

10mm 32Ω Earphone Dynamic Driver | RD1223-01(NC) | Internal Welding

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Designed By: SpeakerDriver
Product ID: RD1223-01(NC)

10mm 32Ω Earphone Dynamic Driver | RD1223-01(NC) | Internal Welding | High SPL

"The RD1223-01(NC) is a 10mm internal-welding dynamic speaker driver optimized for precision earphone applications. It features a PU + paper composite diaphragm, high sensitivity (121.5±3dB), 32Ω impedance, and robust build with Cr3+ zinc-treated frame and NdFeB magnet. Suitable for compact and sealed earphone designs.","

Size
12mm

Price
0$

MOQ
3000 Units

Leadtime
25 days

Technical
Specifications

RD1223-01(NC) Technical Specifications
Model	RD1223-01(NC)
Driver Type	Dynamic (Internal Welding)
Driver Size	10mm
Impedance	32Ω ±15% at 1kHz
Sensitivity (SPL)	121.5 ± 3dB at 1kHz, 179mVrms
Rated / Max Power	5mW / 10mW
Resonance Frequency	260Hz ± 20%
THD	≤3% (50Hz–8kHz)
Weight	Approx. 0.8g
Operating Temp	-10°C to +65°C
Diaphragm Material	PU + Paper Composite
Compliance	Environmental Standards Compliant

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SpeakerDriver™
by Cockatwo Private Limited
CIN: U62013RJ2023PTC091507
Manufacturing Unit: Yongsheng Industrial Park 523510, Dongshan, Qishi, Dongguan, China