Miniature Speaker Manufacturer and Supplier
MANORSHI is a miniature speaker manufacturer and supplier specializing in compact dynamic speakers for mobile phones, headphones, portable electronic devices and communication equipment. Our miniature speaker range includes 15mm internal mobile phone speakers and compact SMD speaker units for space-limited electronic designs.
MANORSHI miniature speakers are available with different impedance and power configurations, including 6Ω and 8Ω models. Selected products offer 0.5W to 1W rated power, compact dimensions and frequency response characteristics suitable for voice reproduction, notification sounds and general audio playback.
Our product range includes the MRS1115H025R6T 15mm mobile phone speaker and MS1540A 15 × 4.0mm SMD miniature speaker. These models are designed for different installation requirements and audio circuit configurations.
We supply miniature speaker components for mobile phone manufacturers, headphone producers, consumer electronics companies, portable device manufacturers and electronic component distributors. Product datasheets, mechanical drawings and samples can be requested for OEM and ODM project evaluation.
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MANORSHI Miniature Speaker Product Range
MANORSHI currently offers two miniature speaker models in this product category. Both feature compact 15mm-class dimensions but have different impedance, power ratings, acoustic characteristics and installation configurations.
| Specification | MRS1115H025R6T | MS1540A |
| Product Type | Mobile Phone Speaker | Mini SMD Speaker |
| Model | MRS1115H025R6T | MS1540A |
| Dimensions | 11 × 15 × 2.5mm | 15 × 4.0mm |
| Rated Power | 1W (in 1cc box) | 0.5W |
| Maximum Power | 1.2W (in 1cc box) | 0.8W |
| Rated Impedance | 6Ω ±20% | 8Ω ±20% |
| Resonant Frequency | 650Hz ±20% (free air); 950Hz ±20% (1cc box) | 800Hz ±20% |
| Frequency Response | Fo–20kHz | Fo–6kHz |
| SPL | 93±3dB at 2kHz | 88±3dB at 1kHz, 1.6kHz, 2kHz and 3.2kHz |
| SPL Test Condition | 2.45Vrms / 10cm / 1cc box | 0.5W / 10cm |
| Operating Temperature | Confirm datasheet | -30°C to +85°C |
| Storage Temperature | Confirm datasheet | -40°C to +105°C |
| Weight | 1.5g | 1.5g |
The MRS1115H025R6T SPL value is measured at 2kHz, 2.45Vrms and 10cm inside a 1cc acoustic box. The MS1540A SPL value is measured at 0.5W and 10cm at the specified test frequencies. These values use different test conditions and should not be directly compared as equivalent sensitivity ratings.
The rated power and maximum power values are separate specifications. Please use the rated power and approved datasheet when matching the speaker to an audio amplifier.
Request Miniature Speaker Datasheets
What Is a Miniature Speaker?
A miniature speaker is a compact electroacoustic component that converts electrical audio signals into sound waves. It is designed for electronic products with limited internal installation space, including mobile phones, headphones, portable terminals and communication equipment.
Most conventional miniature dynamic speakers use a permanent magnet, voice coil and diaphragm. When an audio signal passes through the voice coil, electromagnetic force moves the diaphragm and produces sound waves.
Miniature speakers are selected according to their dimensions, rated power, impedance, sensitivity, frequency response and acoustic enclosure requirements. These parameters determine whether the speaker can work correctly with the electronic product's audio circuit and mechanical structure.
Main Characteristics of Miniature Speakers
Compact dimensions for space-limited electronic devices.
Different impedance configurations, including 6Ω and 8Ω.
Low-power audio reproduction for portable electronic products.
Different rated power and maximum power options.
Suitable for voice playback, notifications and general audio output.
Integration with compact PCB layouts and acoustic enclosures.
Different terminal and mounting configurations according to model design.
How Does a Miniature Speaker Work?
A conventional dynamic miniature speaker works through electromagnetic induction. An electrical audio signal passes through a voice coil positioned within a permanent magnetic field. The interaction between the magnetic field and coil current creates mechanical force that moves the diaphragm.
1. Audio Signal Input
An audio signal from the amplifier or electronic audio circuit is supplied to the speaker voice coil. The signal frequency and amplitude determine the movement of the diaphragm and the resulting sound output.
2. Electromagnetic Force Generation
Current flowing through the voice coil interacts with the magnetic field generated by the permanent magnet. This interaction creates a force that moves the voice coil and the attached diaphragm.
3. Diaphragm Vibration
The diaphragm moves back and forth according to the audio signal. Its material, shape, thickness and suspension structure influence the speaker's frequency response and acoustic characteristics.
4. Sound Wave Generation
The vibrating diaphragm moves the surrounding air and generates sound waves. The resulting SPL and frequency response depend on the speaker structure, input signal, magnetic circuit and acoustic enclosure.
5. Audio Reproduction
The speaker reproduces the audio signal as audible sound. Correct impedance matching, suitable amplifier power and proper acoustic installation help maintain stable sound performance.
Miniature Speaker vs. Buzzer
Miniature speakers and buzzers are both electroacoustic components, but they serve different functions. A miniature speaker is designed to reproduce audio signals, while a buzzer is generally used to generate a fixed or limited range of audible warning signals.
| Comparison | Miniature Speaker | Buzzer |
| Main Function | Audio and voice reproduction | Audible indication and warning |
| Input Signal | Audio waveform | DC or specified driving signal, depending on type |
| Sound Output | Voice, music and audio signals | Beep or warning tones |
| Typical Parameters | Impedance, power, SPL and frequency response | Rated voltage, current, frequency and SPL |
| Applications | Mobile phones, headphones and portable electronics | Alarm systems, control panels and electronic alerts |
Choose a miniature speaker when the electronic product needs to reproduce voice, music or audio signals. Choose a buzzer when the main requirement is a simple audible notification or warning signal.
Important Technical Specifications of Miniature Speakers
Selecting a miniature speaker requires evaluating its electrical characteristics, acoustic performance and mechanical dimensions. The following specifications are important when matching a speaker with an audio amplifier and the final product enclosure.
Rated Power and Maximum Power
Rated power indicates the speaker's specified power handling capability under defined test conditions. Maximum power represents a higher permitted input level under a specified test duration or signal condition.
For example, the MS1540A has a rated power of 0.5W and maximum power of 0.8W. The MRS1115H025R6T has 1W rated power and 1.2W maximum power when tested in a 1cc acoustic box.
The amplifier should be matched to the speaker's rated power and the manufacturer's recommended operating conditions. Excessive input power may cause voice coil overheating, diaphragm damage or increased distortion.
Speaker Impedance: 6Ω and 8Ω
Speaker impedance describes the opposition that a speaker presents to an alternating electrical audio signal. It is measured in ohms (Ω) and is an important parameter when matching a speaker with an amplifier.
MANORSHI offers a 6Ω miniature mobile phone speaker and an 8Ω SMD miniature speaker. The selected impedance must be compatible with the amplifier's permitted load range and power output.
Sound Pressure Level (SPL)
Sound pressure level measures the acoustic output of a speaker and is expressed in decibels (dB). SPL measurements must be evaluated together with input power, measurement distance, frequency and enclosure conditions.
The MRS1115H025R6T is specified at 93±3dB using 2.45Vrms at 2kHz and 10cm in a 1cc acoustic box. The MS1540A is specified at 88±3dB using 0.5W at 10cm at its listed test frequencies.
These figures use different electrical and acoustic test conditions and should not be directly compared as equivalent sensitivity values.
Speaker Sensitivity
Speaker sensitivity describes the acoustic output generated for a specified electrical input. It is commonly expressed as dB SPL at 1W/1m or another defined test condition.
Higher sensitivity generally means that a speaker produces greater acoustic output for the same electrical input under comparable conditions. Always check the reference input power and measurement distance when comparing models.
Resonant Frequency (Fo)
Resonant frequency is the natural resonance of the speaker's mechanical system. It is influenced by the diaphragm, suspension, moving mass and mechanical structure.
The MS1540A has a published resonant frequency of 800±20%Hz. The MRS1115H025R6T has different resonance values depending on whether it is measured in free air or in a 1cc acoustic box.
Frequency Response Range
Frequency response describes the range of frequencies that a speaker can reproduce under specified measurement conditions. It is expressed in hertz (Hz) or kilohertz (kHz).
The MRS1115H025R6T is listed with a response range from Fo to 20kHz, while the MS1540A is listed from Fo to 6kHz. The actual acoustic response curve is useful for evaluating performance across the full frequency range.
Total Harmonic Distortion (THD)
Total harmonic distortion measures unwanted harmonic components produced during sound reproduction. It is generally expressed as a percentage under specified input power and frequency conditions.
Lower THD is generally desirable for clear audio reproduction. The MRS1115H025R6T is listed with THD of no more than 10% at 1kHz under its specified test conditions.
Acoustic Enclosure and Cavity Volume
The acoustic enclosure affects the final performance of a miniature speaker. Cavity volume, sealing, sound outlet dimensions and mounting structure can influence resonant frequency, frequency response and SPL.
The MRS1115H025R6T is specified with a 1cc acoustic box test condition. Engineers should evaluate the speaker in the actual product enclosure before finalizing the design.
Operating Temperature and Mechanical Dimensions
Operating temperature indicates the environmental temperature range in which a speaker is designed to function. Mechanical dimensions determine whether the driver fits the intended enclosure and PCB layout.
The MS1540A is listed with an operating temperature range of -30°C to +85°C. The complete dimensional drawing should be checked before equipment assembly.
Applications of Miniature Speakers
Miniature speakers are widely used in electronic products that require compact audio output. Their dimensions, impedance and power handling characteristics make them suitable for different mobile and portable applications.
Mobile Phones and Smartphones
Mobile phones use miniature speakers for voice playback, notification sounds, multimedia audio and other communication functions. Compact dimensions, impedance and acoustic cavity design are important when selecting an internal phone speaker.
The MANORSHI MRS1115H025R6T is an 11 × 15 × 2.5mm internal mobile phone speaker with 6Ω impedance and 1W rated power in a 1cc box.
Headphones and Headphone Accessories
Headphones use compact speaker drivers to reproduce music, voice and other audio signals. Driver dimensions, impedance, rated power and frequency response are important for matching the speaker with the headphone amplifier and acoustic housing.
The MS1540A is a 15 × 4.0mm, 8Ω miniature SMD speaker designed for headphone-related applications.
Portable Electronic Devices
Portable terminals, handheld instruments, electronic learning devices and compact multimedia products use miniature speakers for audio playback, voice prompts and user notifications.
Smart Home and IoT Devices
Smart home controllers, smart locks, connected terminals and IoT devices use miniature speakers for voice announcements, system notifications and user interaction. The selected speaker should match the available audio amplifier and enclosure space.
Communication Equipment
Communication equipment uses miniature speakers for voice reproduction and audible feedback. Impedance, frequency response, SPL and mechanical dimensions should be evaluated according to the equipment's audio circuit and acoustic design.
Electronic Control Panels and Monitoring Devices
Compact electronic control panels and monitoring devices may integrate miniature speakers to provide voice prompts, operating information and audio notifications. The speaker should be matched to the available space and electrical output requirements.
How to Select the Right Miniature Speaker
Selecting a suitable miniature speaker requires matching its electrical characteristics, acoustic performance and mechanical dimensions to the intended electronic product. The following factors help engineers and purchasing teams evaluate different models.
1. Determine the Available Installation Space
Measure the available speaker cavity and check the overall length, width and thickness. Also consider the terminal position, mounting structure, sound outlet and required clearance around the diaphragm.
2. Choose the Correct Impedance
Determine whether the audio amplifier requires a 6Ω or 8Ω speaker. The impedance must be compatible with the amplifier's permitted load range. Lower impedance may result in higher current demand under comparable voltage conditions.
3. Match Rated Power to the Amplifier
Select a speaker with a rated power suitable for the audio amplifier. Check both nominal and maximum power ratings, and avoid operating the speaker beyond its recommended input limits.
4. Evaluate SPL and Sensitivity
Determine the required acoustic output and compare sensitivity under equivalent measurement conditions. Input power, measurement distance, frequency and acoustic enclosure must be considered when comparing different models.
5. Check Frequency Response and Resonant Frequency
Choose a speaker with a suitable frequency response for voice communication, notification sounds or audio playback. Resonant frequency should also be considered when designing the acoustic enclosure and evaluating low-frequency performance.
6. Consider the Acoustic Cavity
The enclosure volume and sealing structure influence the final speaker response. Evaluate the speaker inside the actual product cavity rather than relying exclusively on free-air test data.
7. Confirm the Connection and Mounting Method
Check the terminal configuration, wire length, soldering requirements and mechanical mounting structure. For SMD models, confirm the recommended PCB footprint and assembly conditions with the manufacturer.
8. Check Operating Temperature
Evaluate the working temperature and storage temperature according to the final equipment environment. For portable devices, automotive electronics and industrial applications, temperature requirements should be checked before selecting the speaker.
9. Test Samples in the Final Product
Evaluate samples using the actual audio amplifier, PCB, enclosure and installation structure. Verify impedance, SPL, frequency response, distortion, power handling and mechanical compatibility before mass production.
Miniature Speaker OEM and ODM Manufacturing
MANORSHI supplies miniature speaker components for mobile phone manufacturers, headphone producers, portable electronics companies, communication equipment manufacturers and electronic component distributors.
Our current miniature speaker range includes 6Ω mobile phone speakers and 8Ω SMD speaker configurations. OEM and ODM project requirements can be evaluated according to the intended product structure, electrical specifications and acoustic performance requirements.
For OEM and ODM project evaluation, customers can provide the following information:
Required speaker dimensions and installation space.
Nominal impedance: 6Ω, 8Ω or other requirements.
Rated power and maximum power handling.
Target SPL and sensitivity measurement conditions.
Required frequency response range.
Resonant frequency and frequency response curve requirements.
Total harmonic distortion requirements.
Acoustic cavity volume and enclosure drawings.
Terminal configuration and wire length.
PCB footprint and mounting requirements.
Operating temperature and environmental conditions.
Sample quantity and estimated annual purchase volume.
Customers can request available product datasheets, mechanical drawings and samples for engineering evaluation. Custom dimensions, connection configurations and acoustic requirements can be discussed according to product feasibility.
Minimum order quantity, customization availability, packaging and production lead time should be confirmed according to the selected model and project requirements.
Discuss Your Miniature Speaker OEM Project
Frequently Asked Questions About Miniature Speakers
1. What Is a Miniature Speaker?
A miniature speaker is a compact electroacoustic component that converts electrical audio signals into sound waves. It is commonly used in mobile phones, headphones, portable electronic devices and communication equipment with limited installation space.
2. What Types of Miniature Speakers Does MANORSHI Supply?
MANORSHI's current Miniature Speaker category includes the MRS1115H025R6T mobile phone speaker and the MS1540A SMD miniature speaker. They offer different impedance, power ratings and installation configurations.
3. What Is the Difference Between a Miniature Speaker and a Micro Speaker?
Miniature speaker and micro speaker are commonly used to describe compact speaker drivers. The exact terminology varies between manufacturers. Product selection should be based on dimensions, impedance, rated power and acoustic specifications rather than the category name alone.
4. What Is the Difference Between a Miniature Speaker and a Buzzer?
A miniature speaker reproduces audio signals such as voice and music, while a buzzer is generally designed to produce audible indication or warning tones. Miniature speakers require suitable audio driving circuits and impedance matching.
5. What Is the Difference Between a 6Ω and an 8Ω Miniature Speaker?
A 6Ω speaker has a lower nominal impedance than an 8Ω speaker. Under comparable voltage conditions, the lower impedance may result in higher current demand. The correct choice depends on the amplifier's supported impedance range and required output power.
6. What Is the Rated Power of MANORSHI Miniature Speakers?
The MRS1115H025R6T is rated at 1W in a 1cc acoustic box, while the MS1540A is rated at 0.5W. Their maximum power ratings are 1.2W and 0.8W respectively under the specified product conditions.
7. What Is the Difference Between Rated Power and Maximum Power?
Rated power is the specified power handling capability under defined operating conditions. Maximum power represents a higher permitted input level under specific test conditions. The amplifier should be matched to the rated power and manufacturer's recommended operating limits.
8. What Is the Impedance of the MRS1115H025R6T?
The MRS1115H025R6T has a rated impedance of 6Ω ±20%, measured at 2kHz using a 2.45Vrms input signal. Its coil resistance is specified separately in the product datasheet.
9. What Is the Impedance of the MS1540A?
The MS1540A has a rated impedance of 8Ω ±20%. It is designed for integration into compatible miniature audio circuits and headphone-related electronic products.
10. What Is the SPL of the MRS1115H025R6T?
The MRS1115H025R6T is specified at 93±3dB SPL at 2kHz, using a 2.45Vrms input signal at 10cm in a 1cc acoustic box. The test enclosure and electrical input conditions are important when evaluating this value.
11. What Is the SPL of the MS1540A?
The MS1540A is specified at 88±3dB at 1kHz, 1.6kHz, 2kHz and 3.2kHz, measured at 0.5W and 10cm. These are model-specific test conditions and should be retained when comparing other speakers.
12. What Is the Resonant Frequency of a Miniature Speaker?
Resonant frequency is the natural resonance of the speaker's mechanical system. It depends on the diaphragm, suspension and moving mass. The measured value may change with the acoustic enclosure and test conditions.
13. Why Does the MRS1115H025R6T Have Two Resonant Frequency Values?
Its resonant frequency is specified as 650±20%Hz in free air and 950±20%Hz when tested in a 1cc acoustic box. The difference results from the acoustic loading and enclosure conditions. Both values should be retained with their respective test conditions.
14. What Is the Frequency Response of the MANORSHI Miniature Speakers?
The MRS1115H025R6T is listed with a frequency response from Fo to 20kHz, while the MS1540A is listed from Fo to 6kHz. Consult the individual datasheets for the complete acoustic response and test conditions.
15. Which MANORSHI Speaker Is Suitable for Mobile Phones?
The MRS1115H025R6T is specifically designed as an internal mobile phone speaker. It measures 11 × 15 × 2.5mm and has a 6Ω impedance and 1W rated power in a 1cc acoustic box.
16. Which MANORSHI Speaker Is Suitable for Headphones?
The MS1540A is a 15 × 4.0mm SMD miniature speaker listed for headphone-related applications. It has an 8Ω impedance, 0.5W rated power and 0.8W maximum power. Confirm the final acoustic performance inside the headphone enclosure.
17. What Is the Operating Temperature of the MS1540A?
The MS1540A has a published operating temperature range of -30°C to +85°C and a storage temperature range of -40°C to +105°C. These values should be considered when evaluating the product for the intended equipment environment.
18. Does MANORSHI Provide Miniature Speaker Samples?
Customers can contact MANORSHI to confirm sample availability for selected miniature speaker models. Providing the model number, impedance, rated power and sample quantity helps identify suitable products for engineering evaluation.
19. Does MANORSHI Support OEM and ODM Miniature Speaker Projects?
MANORSHI can evaluate OEM and ODM requirements according to the selected speaker model and project specifications. Customers can provide mechanical drawings, electrical parameters, acoustic requirements and estimated purchasing quantities for assessment.
Contact MANORSHI for Miniature Speaker Solutions
Looking for a miniature speaker manufacturer for your mobile phone, headphone, portable electronic device or communication equipment project?
MANORSHI supplies compact mobile phone speakers and SMD miniature speakers with different impedance, rated power and acoustic characteristics for electronic equipment manufacturers and component distributors.
Send us your required speaker dimensions, impedance, rated power, SPL, frequency response and estimated purchase quantity. Our team can help evaluate suitable models and provide available technical information for your project.
Contact MANORSHI for a Quotation
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