Full Bass Speaker 30 E3 ST12

In today's karaoke speaker market, choosing a model that is powerful, stable and easy to match is not simple - and E3 ST12 speaker is one of the options that fully meets those criteria.

Introducing the E3 ST12 speaker

E3 ST12 is a 30cm full bass speaker line specialized for karaoke, stages and halls, outstanding with powerful sound, sturdy design and durable operation.
The product belongs to the mid-range segment of the E3 Audio brand, popular for its high sensitivity, wide frequency range and flexible pairing ability.

Outstanding technical specifications:

• RMS power 450W: Meets the needs of use in a space of 25-40m², without worrying about lack of power.
• 30cm (12 inch) bass speaker: Provides thick bass, solid punch, suitable for both remix and bolero music.
• Impedance 8 Ohm: Easy to match with common amplifiers, ensuring high compatibility.
• Sensitivity 98dB (1W/1m): Achieve loud volume with moderate power, saving energy.
• Frequency response 45Hz – 20kHz: Reproduces both bass and mid-high ranges well, giving full sound.
• Speakon NL4 Input: Professional connection standard, stable and effective anti-interference.
• Maximum continuous SPL 122dB: Allows loud playback, suitable for crowded environments.

Detailed review of the outstanding features and characteristics of the E3 ST 12 speaker

Speaker E3 ST12 Not only impresses with its strong design, but also possesses a series of outstanding technical features that help reproduce realistic, powerful and durable sound. Below are the outstanding features that users need to pay attention to if they are considering investing in this speaker line.

Sturdy design, optimal acoustic structure for stage and karaoke

Speaker E3 ST12 Designed with high-quality MDF wooden speaker box covered with scratch-resistant electrostatic paint, helping to increase durability and effectively prevent mold. The bass reflex-style resonance box design behind helps optimize the bass range, giving deep and powerful bass.

The speaker design is industrial, sharp and modern, easy to coordinate in any space from family karaoke to event stage. The front is a stainless steel grille, protecting the speaker from mechanical impact while still ensuring clear, even sound.

Bass 30cm – Power core for thick and powerful bass

As a full-range speaker line, E3 ST12 Equipped with a 30cm (12 inch) bass speaker using a cellulose fiber-pressed paper membrane combined with highly elastic rubber ribs, helping to create a solid bass range that does not rumble when operating at high intensity. Bass 30 allows for clear expression of low frequencies - an extremely important factor in the karaoke experience or playing live music. Thanks to that, the sound of drums, bass guitar or male vocals all become thick and have a distinct "bounce".

RMS power 450W – Just enough power, energy saving and stable

With a real capacity of 450W RMS, the E3 ST12 speaker allows users to exploit stable performance for a long time without worrying about overload or overheating. This capacity is suitable for spaces from 25 - 40m², large enough to play vibrant music or professional karaoke while still maintaining sound balance.

RMS power is a measure of continuous power – this is more important than peak power because it reflects the speaker's true performance over time.

High sensitivity 98dB – High volume, low power consumption

One of the outstanding strengths of the E3 ST12 is its sensitivity of up to 98dB (1W/1m). With only 1 watt of input power, the speaker can produce sound at a volume level of 98 decibels - very loud and clear.

This means you don't need to use amplifiers or power amplifiers that are too powerful to maximize sound efficiency. High sensitivity helps the speaker save electricity, while reducing pressure on the matching equipment, increasing the life of the entire system.

Wide frequency range 45Hz – 20kHz – Fully responsive to both bass and treble

Unlike many speakers in the same segment that can only go down to 60Hz, E3 ST12 has a frequency response range of 45Hz to 20kHz, allowing full reproduction of sound from deep bass to high, sharp treble.

The extended bass range helps listeners feel the bass's impact clearly, while the sharp treble makes vocals and instruments such as violins and cymbals clear and spacious. This is extremely beneficial in performance spaces or karaoke rooms that require high detail.

Maximum SPL 122dB – Loud volume without distortion

SPL (Sound Pressure Level) 122dB continuous allowed E3 ST12 emits sound at high volume levels while maintaining stability, without distortion or break-up. This is a vital factor when using speakers in crowded spaces or outdoor performances.

High SPL also demonstrates the quality of the speaker drivers and the cabinet structure is designed to reduce negative resonance and limit distortion.

Practical application of karaoke speaker E3 ST12

With 450W RMS power, 98dB sensitivity and wide frequency range, the speaker E3 ST12 is a versatile choice for many popular audio models today. Below are the 5 application spaces most suitable for this speaker line:

• High-end family karaoke room - Reproduces realistic sound, strong impact, no need for separate subwoofer.
• Professional karaoke business – Ensure loud volume, clear sound, stable operation all day.
• Small to medium hall (30–50 people) – Meets both speech needs and background music, live music.
• Mobile event stage – SPL 122dB allows for even outdoor sound coverage without dilution.
• Meeting room – home theater – Clean sound quality, full range, suitable for both watching movies and presentations.

Address to buy genuine, reputable Full Bass 30 E3 ST12 speakers

E3 ST12 karaoke speaker Currently being officially distributed at Phuc Truong Audio – a reputable unit specializing in providing high quality karaoke, stage and hall audio equipment.

Here, the products are guaranteed to be 100% genuine, with full CO/CQ, clear warranty and on-site technical support. Customers will be advised on the appropriate configuration for the space, from family karaoke rooms to professional mini stages.

Phuc Truong Audio There is also a showroom for real experience, helping you test the sound quality directly before investing. This is a reliable choice in Ho Chi Minh City if you are looking to buy Speaker E3 ST12 with good price, guaranteed quality and professional after-sales service.

Frequently asked questions about karaoke speaker E3 ST12

Which digital reverb is suitable for fine-tuning vocals when paired with E3 ST12?

Types digital echo With anti-feedback, independent echo delay, multi-band EQ will help optimize voice quality and control howling effectively.

Does the E3 ST12 speaker need a subwoofer if it has enough bass?

Depending on your needs, but if you want deeper bass or use it in a large space, you should add more subwoofer active or sub

Which wireless microphone is compatible with E3 ST12 speakers in karaoke system?

Should use wireless microphones Has UHF wave, cardioid recording, good anti-feedback to ensure clean vocals and sound retention karaoke system.

Is the E3 ST12 speaker suitable for use as the main speaker for a business karaoke room?

Perfectly suited, especially when paired with a digital reverb, amplifier and subwoofer, for full range and room-filling volume.