Subwoofer SE Audiotechnik S112iW

Sub SE Audiotechnik S112iW is a high-end subwoofer model from the brand SE Audiotechnik (Germany), famous for its ability to reproduce powerful bass, good control and high durability. Designed with a bass-reflex structure to provide solid, compact, deep bass, perfect for karaoke systems, small stages, bars or home theaters.

Outstanding features of SE Audiotechnik S112iW Subwoofer

SE Audiotechnik S112iW is a subwoofer line with a powerful configuration and many valuable technical advantages, making it the top choice in the 12-inch subwoofer segment. Below are the outstanding advantages that make SE Audiotechnik S112iW superior to other speakers in the same segment:

• Bass-reflex design optimized for 42 Hz – 250 Hz frequency range, reproducing deep and clear bass.
• 305 mm woofer with ferrite magnet and 76 mm voice coil, ensuring strong impact and durability.
• 400W RMS power combined with 121 dB maximum SPL, easily fills 20–40 m² space.
• Class D amplifier with energy-saving SMPS, providing stable performance during continuous operation.
• 24-bit / 48 kHz DSP signal processor for precise crossover, phase, EQ adjustment.
• Durable 15mm plywood cabinet with paint finish reduces unwanted resonance.
• Weight 22 kg, size 355 x 506 x 496 mm, easy to move and install.

Detailed review of SE Audiotechnik S112iW Subwoofer

Design and finish

The SE Audiotechnik S112iW Subwoofer is made from 15mm plywood covered with scratch-resistant paint, which not only creates durability but also helps reduce resonance vibration when the speaker operates at high power levels. The minimalist but sophisticated design lines are suitable for both fixed installation in high-end karaoke rooms and mobile use for events. The bass-reflex vent is optimally calculated to reduce wind noise and improve bass performance.

Sound and power configuration

Equipped with a 305 mm (12 inch) woofer with a ferrite magnet and a 76 mm voice coil, the Sub SE Audiotechnik S112iW delivers 400W RMS and a maximum SPL of 121 dB. The frequency response range (-6 dB) from 42 Hz – 250 Hz allows for deep and smooth bass reproduction. The bass-reflex design extends the low frequency depth, making it ideal for EDM, dance, pop or live music that requires strong bass.

Realistic sound quality

When operating, the SE Audiotechnik S112iW delivers deep, tight bass, with a solid punch, without buzzing or dragging. The clear mid-bass range makes drums, bass guitars and vocals thicker and warmer. When combined with SE Audiotechnik's full-range speakers, the bass range blends naturally, creating a wide and balanced soundstage - something that many popular subwoofers find difficult to achieve.

Amplifiers and signal processors

The speaker integrates a Class D amplifier with SMPS power source for high efficiency, limited energy loss and stability even during continuous operation. The 24-bit / 48 kHz DSP digital signal processor allows precise crossover, phase, delay and EQ adjustment, helping the speaker adapt to each space and sound configuration.

Operability and flexibility

The SE Audiotechnik S112iW Subwoofer supports 100–120V or 220–240V voltage, making it easy to use in many regions around the world. With dimensions of 355 x 506 x 496 mm and a weight of 22 kg, the speaker is compact enough to move but still ensures stability when placed in a fixed position. This flexibility makes the product suitable for everything from family karaoke, bars, lounges to small halls and home cinemas.

Applications of SE Audiotechnik S112iW Subwoofer

With an optimized bass-reflex design for the 42 Hz – 250 Hz frequency range, 400W RMS power and 121 dB SPL, the SE Audiotechnik S112iW flexibly meets a variety of usage situations, from home spaces to professional environments. Here are some typical applications:

• High-end family karaoke.
• Bars, lounges, acoustic cafes.
• Small stage, hall, event.
• Home theater.
• Commercial and performance space.

Address to buy genuine, reputable SE Audiotechnik S112iW Subwoofer

To buy genuine SE Audiotechnik S112iW Subwoofer with full warranty papers and accurate technical specifications, users should look for reputable distributors in the audio industry.
One of the addresses trusted by many customers is Phuc Truong Audio, a unit specializing in providing high-end audio equipment from famous brands such as SE Audiotechnik, Electro-Voice, JBL, CAVS... Here, customers are not only guaranteed 100% genuine products but also receive in-depth technical consulting services and on-site installation support.

When purchasing at Phuc Truong Audio, you will have the opportunity to experience the S112iW Subwoofer in a sample mixing space, thereby directly evaluating the sound quality and performance before deciding.

Our team of experienced technicians will provide detailed instructions on how to operate, calibrate parameters and optimize speaker placement for the best sound performance. In addition, Phuc Truong Audio also supports nationwide delivery, safe packaging and provides a clear warranty policy, helping buyers feel completely secure during use.

Frequently Asked Questions about SE Audiotechnik S112iW Subwoofer

How many square meters of space is the S112iW Subwoofer suitable for?

LoA Sub SE Audiotechnik The S112iW is designed to operate optimally in spaces of 20–40 m², suitable for a variety of environments such as family karaoke rooms, small bars or home theaters. With a frequency response of 42 Hz – 250 Hz and a maximum SPL of 121 dB, the speaker is capable of covering the bass evenly throughout the space while maintaining detail. In the case of a larger space, users can combine one or more S112iW subs, or combine with a larger subwoofer to ensure sound pressure and bass coverage evenly throughout the entire area.

Can the S112iW be combined with other brands of speakers?

Absolutely possible. The S112iW Subwoofer is a standalone (active) subwoofer with built-in Class D amplifier, capable of being paired with many types of full range speaker from different brands, as long as compatibility in power, impedance and frequency range is ensured. Thanks to the 24-bit / 48 kHz DSP, users can easily align the crossover and phase to synchronize the bass range with the mid-high range of the full-range speaker, helping the system achieve a balanced, smooth sound without overlapping.

Is the built-in DSP on the speaker adjustable?

Yes. The DSP on the S112iW allows you to adjust many important parameters such as crossover frequency, delay, phase and EQ. This helps optimize the sound performance according to the characteristics of each space and music listening style. For example, in a small closed room, you can reduce the gain and increase the crossover frequency to avoid bass boom; conversely, in a large space, lowering the gain and increasing the crossover frequency will help you to avoid bass boom. Crossovers down and up gain will help bass stronger and deeper.

What material is the S112iW speaker cabinet made of?

The speaker cabinet is made of high-quality 15 mm plywood, covered with a protective paint layer that is scratch-resistant and moisture-resistant. This material not only provides mechanical durability and prevents warping over time, but also helps reduce unwanted resonance and vibration - factors that directly affect the accuracy of bass. The bass-reflex cabinet structure with aerodynamically optimized vent port also helps increase bass performance and reduce wind noise at high power.