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Home > Products > Audio Products > Speakers > CMS-151135-076S-67
CUI Devices
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CMS-151135-076S-67

In Stock 24388 pcs Reference Price(In US Dollars)
1+
$1.3648
Manufacturer Part Number:
CMS-151135-076S-67
Manufacturer / Brand
CUI Devices
Part of Description:
SPEAKER 6OHM 700MW TOP PORT 92DB
Datasheets:
CMS-151135-076S-67(1).pdfCMS-151135-076S-67(2).pdfCMS-151135-076S-67(3).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 24388 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number CMS-151135-076S-67
Manufacturer / Brand CUI Devices
Stock Quantity 24388 pcs Stock
Category Audio Products > Speakers
Description SPEAKER 6OHM 700MW TOP PORT 92DB
Lead Free Status / RoHS Status: ROHS3 Compliant
Type General Purpose
Termination Spring Type
Technology Magnetic
Size / Dimension 0.591" L x 0.433" W (15.00mm x 11.00mm)
Shape Rectangular
Series CMS
Power - Rated 700 mW
Power - Max 1 W
Port Location Top
Package Tray
Material - Magnet Nd-Fe-B
Material - Cone Polyester, Polyethylene Terephthalate (PET)
Ingress Protection IP67 - Dust Tight, Waterproof
Impedance 6 Ohms
Height - Seated (Max) 0.138" (3.50mm)
Frequency Range 100 Hz ~ 20 kHz
Frequency - Self Resonant 600Hz
Efficiency - dBA 92.00
Efficiency - Type Sound Pressure Level (SPL)
Efficiency - Testing 700mW/100mm
Base Product Number CMS-151

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can CMS-151135-076S-67 be driven directly from a microcontroller GPIO or codec output, or does it need an external amplifier?
CMS-151135-076S-67 should be driven from an audio power amplifier, not directly from a GPIO, DAC pin, or small-signal codec output. Its 6 ohm load and 700 mW rated power require a driver that can supply the needed current without excessive distortion. For most designs, pair CMS-151135-076S-67 with a Class-D or Class-AB amplifier sized for the speaker load and your target SPL, and verify that the amplifier has enough current capability at low frequencies where speaker impedance typically drops.
How do I size the amplifier for CMS-151135-076S-67 without overdriving the speaker or clipping voice playback?
For CMS-151135-076S-67, a practical starting point is to size the amplifier for roughly the speaker’s rated power with some headroom, then limit output in firmware or with analog gain setting. At 6 ohms, 700 mW corresponds to about 2.05 V RMS and about 0.34 A RMS, while the 1 W maximum approaches about 2.45 V RMS and 0.41 A RMS. If the amplifier can deliver more than that, add clipping control or volume limiting, especially for bursty alerts and EQ-boosted content. This helps keep CMS-151135-076S-67 within a controlled thermal and excursion range.
Is CMS-151135-076S-67 suitable for a sealed or outdoor product, and what does IP67 mean for the acoustic design?
CMS-151135-076S-67 is a good candidate when the product needs dust protection and temporary water immersion resistance, but the enclosure design still needs to preserve the acoustic path. IP67 on CMS-151135-076S-67 means the speaker assembly itself is sealed, yet the grille, mounting interface, and enclosure joints must also maintain the same protection level. Avoid blocking the top port, and do not compress the acoustic opening against foam, adhesive, or a decorative cover that can attenuate the output or trap water around the port.
Can CMS-151135-076S-67 work well for voice prompts, alarms, and status tones in battery-powered devices?
CMS-151135-076S-67 is well suited to voice prompts, beeps, and alert tones in compact battery products because its 92 dBA efficiency helps reach usable loudness without a large amplifier. For speech, its 100 Hz to 20 kHz range is broad enough for intelligibility, but small speakers still have limited low-frequency output, so bass-heavy audio will not sound full. In battery designs, CMS-151135-076S-67 usually benefits from a high-pass or low-shelf EQ strategy to reduce excursion and save power while keeping speech clear.
What are the main cases where CMS-151135-076S-67 is not a good fit?
CMS-151135-076S-67 is less suitable when the product needs strong bass, high continuous SPL, or hi-fi music reproduction from a very small acoustic volume. Its 6 ohm, 700 mW general-purpose design is optimized for compact alerts and voice rather than deep low-end output. If the system must play music loudly in a noisy environment, a larger transducer, a different enclosure volume, or a multi-speaker architecture may be a better fit than CMS-151135-076S-67.
Can CMS-151135-076S-67 replace an 8 ohm speaker in an existing design?
CMS-151135-076S-67 can sometimes replace an 8 ohm speaker mechanically, but the electrical load change needs review. Moving from 8 ohms to 6 ohms increases amplifier current demand by about one-third at the same output voltage, which can raise distortion, heat, or protection trips if the amplifier is already near its limit. If you migrate to CMS-151135-076S-67 from an 8 ohm part, recheck amplifier stability, gain setting, output filter behavior, and the acoustic level after the impedance change.
What should I check if I am replacing another CUI Devices or generic speaker with CMS-151135-076S-67?
When substituting CMS-151135-076S-67, compare not only the footprint and height, but also port location, impedance, sensitivity measurement conditions, and the enclosure coupling area. A speaker with similar dimensions but a different port orientation or mounting style can change the acoustic path enough to alter loudness and tonal balance. CMS-151135-076S-67 uses a top port and spring-type termination, so make sure the enclosure opening, wire routing, and assembly process match that interface before treating it as a drop-in replacement.
How reliable is CMS-151135-076S-67 for industrial devices with vibration, shock, or long service life?
CMS-151135-076S-67 can be used in industrial products if the mechanical mounting and cable strain relief are designed to handle vibration and repeated handling. The spring-type termination helps assembly, but the wires still need retention so they do not fatigue or loosen over time. For long-life use, keep CMS-151135-076S-67 away from continuous overdrive, liquid pooling at the port, and enclosure resonances that can create unwanted buzz or accelerate diaphragm stress.

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