Ultra Slim Speaker Boxes

Introducing Challenge Electronics' Ultra Slim Speaker Boxes, the ultimate solution for space-conscious audio applications. These speakers are engineered for optimal performance without compromising on size, making them ideal for modern, sleek designs where space is at a premium. Choose Challenge Electronics' Ultra Slim Speaker Boxes for powerful and clear sound in the most compact form factor.

Ultra Slim Speaker Box
43.03 x 37.3 mm
Ultra Slim Speaker Box
45 x 33.99 mm
Technical Advantages
Ease of Integration

The ultra slim design, measuring less than 3.5 mm in height, allows for seamless integration into various devices, ensuring that high-quality audio can be included in even the most space-restricted environments.

Broad Frequency Range

These speakers cover a wide frequency range from 640 Hz to 12 kHz, providing a rich and detailed sound experience across a broad range of tones.

Flexible Printed Circuit

The inclusion of a flexible printed circuit simplifies the integration process, allowing for easier and more reliable connections within your product, enhancing overall durability and performance.

Publication Date: 5/13/24

Planar Speakers

Presenting Challenge Electronics' Planar Magnetic Speakers, the ultimate choice for elevating sound quality. The technology incorporates a thin diaphragm, suspended within a magnetic field, which not only enables an extensive frequency range for capturing every high and low with remarkable clarity but also reduces distortion levels, ensuring an audio output that is crystal clear. Experience unparalleled audio fidelity across a multitude of applications, from high-end headphones to immersive gaming and virtual reality, with Challenge Electronics' Planar Magnetic Speakers.

Planar Speaker
8.5 x 6.65 mm
Planar Speaker
10 x 4.88 mm
Planar Speaker
53 x 7.3 mm
Planar Speaker
72.5 x 8.3 mm
Planar Speaker
97 x 76 x 7.2 mm
Technical Advantages
Wide Frequency Range

The unique diaphragm design allows for a wide frequency range, ensuring accurate reproduction of both high and low tones.

Low Distortion Levels

Even driving distribution and efficient diaphragm-magnetic field interaction provides a clearer and more authentic audio output.

Quick Transient Response

The efficient diaphragm-magnetic field interaction also enables the speakers to rapidly respond to audio inputs, capturing intricate details and nuances in the sound.

Precise Imaging

The planar design allows for a large and uniformly vibrating surface, contributing to precise imaging. This means that the spatial location of sound sources in the audio field is accurately reproduced, creating a more realistic and immersive listening experience.

Uniform Dispersion:

The planar design often results in more consistent sound dispersion across a listening area. This uniform dispersion helps create a larger and more immersive sweet spot, allowing listeners to enjoy high-quality sound from various positions in a room.

Reduced Cabinet Vibration

Planar speakers typically have lower cabinet vibration compared to traditional speakers. This minimizes unwanted resonance and coloration in the sound, contributing to a cleaner and more natural audio reproduction.

Publication Date: 1/19/24

AWU MEMS Microphone

The CM03M-01S38-MD-2X is a MEMS microphone that brings refined sensitivity and precision to audio sensing. The innovative design features Acoustic Wake-Up capabilities, making it an ideal choice for a wide array of applications, and ensuring responsive and energy-efficient performance in even the most compact devices.

AWU MEMS Microphone
3.5 x 2.65 x 1 mm
Technical Advantages
Innovative AWU Modes

Featuring Acoustic Wake-Up modes, the microphone smartly activates devices with minimal power use, adapting to various sound environments through configurable settings.

Ultra-Low Power Consumption

With its low power consumption, this microphone is perfect for devices where battery life is critical.

Compact and Resilient Design

Its small size and resistance to thermal shock make it ideal for integrating into a wide array of portable and compact devices, from smartphones to advanced medical equipment.

High Sensitivity and SNR

Exceptional sensitivity coupled with a high Signal-to-Noise Ratio ensures top-notch audio capture, isolating desired sounds from background noise effortlessly.

Publication Date: 1/9/24

Fire Alarm Products

Introducing Challenge Electronics' latest line of premium audio products engineered for fire alarm applications. Designed to exceed the industry standard, our cutting-edge offerings achieve a minimum sound output of 85 decibels at 3 meters, ensuring their unmistakable loudness and impossibility to ignore. We are committed to providing solutions that instill confidence and safety, making them the ideal choice for your fire alarm systems.

PN Dimensions (mm) Tone Category SPL at 10 ft (dB) f0 (Hz) Termination
CI30P-28W325-C-1 ø30.6 x 16 Continuous Tone 85 3250 Wire
CI35P-28E210-C-1X ø35.8 x 22.9 Continuous Tone 86 2100 Panel Mount
CI50P-13T250-C-1 ø50 x 29 Continuous Tone 85 2500 Through Hole
CI60P-15W290-C-2 ø41.8 x 16 Continuous Tone 90 2900 Wire
PN Dimensions (mm) SPL at 10 ft (dB) f0 (Hz) Termination
CT23P-30S320-2 ø23 x 22 85 3200 Surface Mount
CT30P-12T325-1 ø30.6 x 15.9 85 3250 Through Hole
CT30P-50T400-1 ø30.1 x 6.8 90 4000 Through Hole
CT31P-30W520-1 ø31.6 x 8.5 90 5200 Wire
CT32P-50T325-1 ø32.5 x 8 90 3250 Through Hole
CT32P-50W325-1 ø32.5 x 8 90 3250 Wire
CT33P-12T260-1 ø33.5 x 8 85 2600 Through Hole
CT34P-50T340-1 ø30 x 7 85 3400 Through Hole
CT38P-15T320-1 ø38.8 x 16 85 3200 Through Hole
CT40P-16T325-1 ø40 x 13.4 85 3250 Through Hole
CT40P-30T300-1 ø40 x 12.6 85 3000 Through Hole
CT43P-35W300-1 ø43 x 18 90 3000 Wire
CT45P-50T250-1 ø45 x 13.8 85 2500 Through Hole
CT51P-30T250-1 ø51.5 x 15.5 90 2500 Through Hole
CT54P-60T350-1 ø51.5 x 15.2 90 3500 Through Hole
Technical Advantages
Powerful Sound

Our products effortlessly meet the fire alarm industry's 85 dB at 3 m standard, and many can achieve this with a mere 12-volt input. This makes them suitable for low-power applications, or you can increase the input voltage for even louder sound output.

Enhanced Sound Penetration

Designed with lower frequencies, our fire alarms enable sound to penetrate through walls more effectively, making them ideal for in-building applications. Some components even reach a resonant frequency as low as 2.5 kHz.

High Heat Resistance

Constructed using heat-resistant materials, our parts are built to withstand extreme temperatures. Some components won't fail until reaching a maximum threshold of 95 °C, ensuring reliable performance even in demanding environments.

Publication Date: 12/12/23

ASIC Indicator

Introducing our groundbreaking new indicators with a dedicated acoustic ASIC—a leap forward in compact and efficient audio signaling. Engineered with precision, these indicators redefine the concept of small form factor solutions with integrated circuitry. They integrate into any space where size is a crucial consideration without the need for additional complex drive circuitry. You no longer need to compromise on audio signaling performance due to space constraints.

ASIC Indicator
8.5 mm x 8.5 mm x 3.6 mm
Technical Advantages
Compact Form Factor

These indicators achieve an incredibly small form factor without compromising audio performance. Their compact size allows for seamless integration into various applications and tight spaces where size constraints are a critical consideration.

Superior Audio Quality

These indicators deliver exceptional audio quality. With a controlled tone, you can be sure the sound output will be consistent between parts.

Integrated Circuitry

These indicators are designed for versatility. They can be seamlessly integrated into a wide range of devices, such as industrial machinery, medical devices, and consumer electronics.

Publication Date: 6/23/23

IEC-60601-1-8 Medical Standard Products

Challenge Electronics offers a new line of high-quality products that meet the medical industry standard IEC-60601-1-8 for safety and essential performance. The signal produced by these medical alarms are easily discernible to allow users to identify the source signal while not being too unnecessarily distracting or disturbing. Browse through our selection of premium IEC compliant indicators and transducers. Indicators for a plug and play solution with DC power, and transducers for a low cost simple input frequency application.

IEC-60601-1-8 Compliant Sound Transducer
25 mm Round x 12.5 mm
IEC-60601-1-8 Compliant Low Priority Indicator
65 mm x 44 mm x 22 mm
IEC-60601-1-8 Compliant Multi-Tone Indicator
65 mm x 44 mm x 22 mm
Technical Advantages

The medical alarms meet the meticulously set requirements for volume, pitch, duration, repetitions, and priorities.

IEC Transducers

Low cost for you to easily deploy your IEC compliant tone. Simply pass an appropriate, simple frequency and the harmonics will be created for you automatically within the unit’s sound chamber.

IEC Indicators

Simple application that is guaranteed to work. Apply DC power and achieve a guaranteed compliant IEC tone with a defined urgency level.

Publication Date: 8/19/22

Mobile Speakers Product Line

Here at Challenge Electronics, we have added a variety of mobile speaker options to better support global customer needs. Our units perform like larger industry standard units at a fraction of the size. The range offers numerous advantages for customers in a space conscious application.

Mobile Speaker
15 x 11 x 3.5 mm
Mobile Speaker
17 x 12 x 3.3 mm
Mobile Speaker
18 x 13 x 4.5 mm
Mobile Speaker
18 x 18 x 5.1 mm
Mobile Speaker
18 x 16 x 3.7 mm
Mobile Speaker
23 x 11 x 3.7 mm
Mobile Speaker
25 x 14 x 5 mm
Mobile Speaker
34 x 11 x 3.8 mm
Mobile Speaker
40 x 13 x 4 mm
FPC Mobile Speaker
20 x 16 x 2.3 mm
FPC Mobile Speaker
16 x 12 x 2.55 mm
Technical Advantages
Greater Power Handling

Unique to Challenge Electronics are mobile speakers with increased power handling with a slim form factor allowing for above average SPL response.

IP and SMT Capable

Units are available with IP ratings up to IP68 as well as SMT reflow capable.

Music and Voice Response

Through fine-tuned designs, the mobile speaker line offers flat frequency responses and low distortion for excellent music and voice solutions.

Publication Date: 5/18/22

IP Rated Waterproof Battery Holders

Challenge Electronics’ innovative IP rated battery holders are designed to provide a waterproof enclosure for AA, AAA, or D batteries. These holders have a sleek, low-profile design for simple integration with customer assemblies. Purchasing an already IP rated design reduces design time and provides enhanced reliability from a tried-and-true waterproof system.

IP-Rated Battery Holder
75 x 35 x 19.5 mm
IP-Rated Battery Holder
75 x 50 x 19.5 mm
IP-Rated Battery Holder
79 x 67 x 23 mm
IP-Rated Battery Holder
72.5 x 26.4 x 15.5 mm
IP-Rated Battery Holder
72.5 x 26.4 x 15.5 mm
IP-Rated Battery Holder
75 x 65 x 19.5 mm
IP-Rated Battery Holder
90 x 110 x 40 mm
Technical Advantages
Ingress Protection Support

Watertight sealed enclosure, capable of up to IP68 certification.

Low-Profile Form Factor

Sealed box unit capable of simple implementation into industrial equipment, remote controlled devices, and consumer electronics. Available with a manual switch or without.

Battery Sizes

Engineered for AA, AAA, or D batteries.

Publication Date: 2/10/22

Sealed Back Speakers

The Challenge Electronics Sealed Back Speakers are uniquely designed to provide the loudest output in a minimal footprint utilizing a Loudspeaker System design in a streamlined form factor.

Sealed Back
28∅ x 5.5 mm
Sealed Back
28∅ x 6 mm
Sealed Back
32∅ x 10 mm
Sealed Back
28∅ x 8 mm
Technical Advantages
Loudspeaker Loud

A sealed back speaker achieves the loudest possible Sound Pressure Level (SPL) over any and every unit of comparable size.

Simple Design Integration

Additional chambering is not required for these units to perform for an easy and quick implementation into your end design.

Loudness Efficiency

Provides the best possible input wattage to output loudness efficiency.

Publication Date: 6/20/21

Self-Locking Panel Mount Indicators

Our innovative Front Panel Mount Alarms incorporate a proprietary mounting technology, allowing for a quick and easy, tamper-resistant installation without threaded fitting! Our innovative design works with the worker; just press the panel mount alarm into the designated mounting panel, hear the snap, and done!

Panel Mount Indicator
35.2∅ x 41.85 mm
Technical Advantages
Tamper Resistant Design

Designed to utilize a low profile when installed and cannot be easily removed manually after installation based on our innovative Tamper Resistant Design.

Ingress Protection (IP) / NEMA Capable

Dust and Water proof design for an IP Capable rating of up to IP68 or NEMA 4X to withstand most operations that encounters dust or submerges in water.

Simple Installation

Does not require any adhesive, threaded components, or additional tools for installation. Press in and power on.

Publication Date: 10/08/20

Largest Compact Mobile Speaker

The CS40-01P60-05-3X 40 x 13 x 4mm mobile speaker is the largest mobile speaker currently on the market. The increased size offers the benefits of a mobile speaker design in a form factor capable of stronger audio output.

Mobile Speaker
40 x 13 x 4 mm
Technical Advantages
Low Resonant Frequency

Designed with a low resonant frequency of 600 Hz while most mobile speakers in this dimensional range achieve a resonant frequency of 750 Hz minimum.

High SPL Output

Sound Pressure Level (SPL) output of 98 dB while most mobile speakers in this dimensional range have a SPL output of 90 to 95 dB.

Ingress Protection (IP) Capable Design

IP Capable design up to IP67 on the front face, allowing the product to withstand operations that encounter dust, or submerge in water.

Publication Date: 1/19/23

Premium Mid-Size Speaker

The Challenge Electronics premium class 29.6mm Round Spe

Mobile Speaker
29.6 ∅ x 11 mm
Technical Advantages
Low Resonant Frequency

With a resonant frequency of 250 Hz and frequency range as low as 150 Hz, the CS29-03D25-11-1 achieves a full dynamic frequency range extremely unique for a speaker of this size.

Human Vocal Range Audio Output

With a calibrated tolerance of ± 3 dB between 800 Hz to 8,500 Hz, the vocal reproduction for all voice types is crystal clear.

Poka-Yoke Design

Utilizing a Poka-Yoke mounting design to incorporate an easy-fit locating feature, the unique mounting ears allow for a fast and consistent installation every time.

Publication Date: 7/20/20

Fully Automated Production

At Challenge Electronics, we continue to innovate our Supply Chain by incorporating more and more Fully Automated Production Lines for Increased Production Capacity, Higher Reliability and Lower Cost.

48.0 x 48.0 x 30.3 mm
5.0 x 5.0 x 2.0 mm
8.5 x 8.5 x 3.0 mm
8.5 x 8.5 x 4.0 mm
8.5 x 8.5 x 4.0 mm
9.0 x 9.0 x 1.9 mm
12.2 x 12.0 x 2.8 mm
Technical Advantages
Increased Volume Output

Our Fully Automated Production lines can create millions of components in a safe and fast operation.

Increased Quality Control

The quality control and repeatability of machinery is significantly higher providing a consistent part time and time again.

Decreased Product Cost

Less isolated manufacturing steps translates directly to productions savings and lower costs for the end customer. The components come in and the product comes out.

Publication Date: 1/1/20


  • 95 East Jefryn Blvd.
  • Deer Park, NY 11729
  • ph: 800-722-8197
  • fax: 631-667-5484



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