SE Audiotechnik C-15 Karaoke Speaker

SE Audiotechnik C-15 is a high-end passive karaoke speaker model belonging to the C-Series of the SE Audiotechnik brand (Germany). With a 2-way speaker structure, equipped with a 15-inch bass driver and a capacity of up to 1800W, this product is perfect for business karaoke spaces, small stages and bars that require loud, clear and detailed sound pressure.

Outstanding features of Full SE Audiotechnik C-15 Speaker

SE Audiotechnik C-15 is a speaker line that makes a strong impression thanks to the combination of stage-standard mechanical design, high-performance drivers, and German-standard finishing quality. This is a speaker model suitable for both business karaoke, medium-sized halls and professional performance sound systems. Below are the highlights recorded from the technical structure and practical experience:

• Speaker type: Two-way passive speaker, using full-passive technology to reproduce clear sound and easy to match.
• Power (RMS / Peak): 450W / 1800W – ideal for sound systems requiring high pressure and high stability.
• Sensitivity: 98 dB (1W/1M) – helps the speaker produce high volume with low power consumption.
• Operating frequency range: 45Hz – 19kHz – good performance for both bass and treble, serving many music genres.
• Maximum sound pressure (Max SPL): 131 dB – suitable for small stages, bars, clubs, outdoor spaces.
• Dispersion: 90° x 60°, rotatable horn, optimal orientation according to speaker placement (vertical/horizontal).
• Bass speaker (LF): 15 inch ferrite, 2 inch voice coil – for powerful, solid and deep bass.
• Tweeter (HF): 1 inch compression driver, 1.75 inch voice coil, PEN diaphragm – reproduces bright, non-glaring treble.
• Connection: 2 Neutrik NL-4 ports, support dedicated speaker wire, easily compatible with power main.
• Protect: Has tweeter protection circuit to help prevent driver burnout when used at high intensity.
• Speaker box material: 15mm plywood covered with waterproof paint, durable, strong, scratch resistant.
• Suspension system: 8 M8 rigging points + 4 transport handles, support hanging or easy moving.
• Weight: 57kg – ensures stability during long-term operation, no shaking.

Detailed review of SE Audiotechnik C-15 Speaker

Speaker system and sound structure

The SE Audiotechnik C-15 is equipped with a 15-inch bass driver and a 1-inch compression treble, a 1.75-inch voice coil, forming an optimal two-way speaker system. This helps reduce distortion, while improving the ability to separate the sound between the bass - mid - high range. The ferrite driver selected for both bass and treble provides high durability, keeping the sound stable even when operating at high SPL levels.

Power efficiency and coverage

450W RMS power and up to 1800W peak power allow the C-15 to operate effectively in demanding sound environments. With a sensitivity of 98dB and a maximum sound pressure level of 131dB, the speaker can easily "fill" a space of 30-40m² or a small stage. The 90° x 60° dispersion coefficient helps the sound spread evenly without falling off corners.

Realistic sound quality: Balanced and detailed

Practical experience shows that the bass of the SE Audiotechnik C-15 Speaker is very strong, reaching down to 45Hz while still maintaining its solidity. The midrange is clear, the vocals stand out, the treble is clear, and does not get harsh when going high. Thanks to the use of PEN membrane technology and compression driver, the speaker's treble remains clear even when operating at high intensity - something that is difficult for ordinary speakers to achieve.

Mechanical design and durability

SE Audiotechnik uses 15mm plywood covered with waterproof paint for the SE Audiotechnik C-15 Full Speaker box - this is a material usually only found on professional stage speakers. The box design is sturdy, strong, and can be hung or placed flexibly. The system of 8 rigging points (M8) and 4 handles makes installation quick and convenient.

System compatibility and connection security

The SE Audiotechnik C-15 speaker supports connection via Neutrik NL4, designed with +1/-1 pins for maximum compatibility with high-end power main lines. Inside, there is also an integrated tweeter protection circuit, preventing treble burnout when accidentally increasing the volume or encountering a bad signal - this is a big plus in the business karaoke environment, where the speaker is often operated continuously.

Applications of Karaoke Speaker SE Audiotechnik C-15

SE Audiotechnik C-15 is a speaker line that is not only used in professional karaoke systems but also suitable for many different spaces and audio purposes. This is the ideal speaker model for those who need a device that is both good at karaoke and powerful enough for performances or medium-sized events. SE Audiotechnik C-15 is suitable for the following applications:

• Professional business karaoke room: Clear, clean sound, good processing of frequency ranges - no need to add much EQ.
• Mini stage / acoustic / small group performance: High sound pressure response, no distortion when playing live instruments and vocals.
• Bar – lounge – tea room: True sound, clearly showing vocals and musical instruments.
• School hall / small event center: Even sound diffusion, easy to install, durable for long-term use.
• Portable Sound / Outdoor Events: Sturdy, easy-to-mount speaker housing, suitable for both portable and fixed use.
• Presentation and teaching sound: High voice clarity, detailed voice reproduction, no buzzing or microphone noise.

Where to buy genuine, reputable SE Audiotechnik C-15 full-range speakers?

To buy genuine SE Audiotechnik C-15 speakers with guaranteed quality, professional service and standard technical support, you should look for reputable distributors with showrooms for real experience, transparent after-sales service and clear commitment to product origin.

One of the reliable addresses in Vietnam today is Phuc Truong Audio - a unit specializing in providing karaoke, stage and hall audio equipment from major domestic and foreign brands, including SE Audiotechnik.

When coming to Phuc Truong Audio, customers can directly listen to the C-15 speaker at the showroom with actual test sets with suitable amplifiers and subwoofers. In addition, the showroom's technical team will support consulting on choosing the right power main, setting up the space and adjusting the optimal configuration - this is an advantage that most online stores cannot meet.

Phuc Truong Audio commits to providing genuine products with full CO-CQ documents, warranty from 12 to 24 months depending on the device, support nationwide delivery and have a free installation policy for customers in Ho Chi Minh City and neighboring areas.

This is the address chosen by many karaoke rooms, bars, restaurants and event organizers when investing in high-quality sound systems.

Frequently Asked Questions about SE Audiotechnik C-15 Speakers

Is the Full SE Audiotechnik C-15 speaker suitable for family karaoke rooms?

SE Audiotechnik Speakers The C-15 is designed for professional karaoke and medium-sized stages, with a capacity of up to 1800W and a high sensitivity of 98 dB. For family karaoke rooms under 20m², the speaker can have excess capacity and cause echoes if not properly treated. Therefore, the C-15 is more suitable for rooms of 25m² or more or business spaces.

Do speakers need to be used with a power amplifier?

Yes. This is the line. full speaker-passive, no built-in power, so must be used with an external power main. To maximize performance, should be paired with a main with a capacity of about 800W - 1200W/CH at 8Ω impedance.

Can the C-15 speaker be combined with a subwoofer?

It is possible, and even advisable, if you want to enhance the deep and thick bass range of your music or when using it in a large space. Although the C-15's frequency range already goes down to 45Hz, adding a subwoofer 15 inches or 18 inches will significantly improve sub-50Hz performance, especially when listening to dynamic music or live performances.

Can the speaker be hung?

Absolutely. The SE Audiotechnik C-15 has 8 built-in M8 standard rigging points, allowing for fixed mounting on a shelf or stage frame. In addition, the speaker also has a balanced design and 4 transport handles for easy operation when moving or setting up.