Proel S12A

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Active Hybrid Bandpass Subwoofer

With integrated ClassD digital power amplifier
Equipped with: 12" Woofer
Power: 600 W
Frequency range: 43 - 160 Hz
Maximum level: 127 dB
Switchable high-cut: 100 Hz - 160 Hz
Switchable phase: 180°
Connector panel with 2x XLR / jack combo input
2x XLR Link out and 2x XLR Line out
36 mm stand flange mount
2 Handles
Dimensions: 360 x 500 x 520 mm
Weight: 19 kg

30-Day Money-Back Guarantee

3-Year Thomann Warranty

Available since January 2019
Item number 445596
Sales Unit 1 piece(s)
Power (Manufacturers Specs) 600 W
Number of Bass Woofers 1
Bass Woofer in Inch 12"
Colour Black
Width 500 mm
Height 360 mm
Depth 520 mm
Weight 19 kg
Wheels No
Stand Flange 36mm
Multi Channel Power Amp No
Remote Control No
Sound Pressure in dB 127 dB
Housing Material Wood
Construction Bandpass
Input Connector Combo
Output Connector XLR
X-Over Connector XLR
High Cut Adjustable
Frequency Range (-10dB) from 43 Hz
Frequency Range (-10dB) to 160 Hz

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Proel S12A

Proel S12A Active Hybrid Bandpass Subwoofer * With integrated ClassD digital power amplifier * Equipped with: 12" Woofer...

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Proel S18A

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398 €

All prices incl. VAT

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in Active Subwoofers

The Proel S series: Compact and powerful

The Proel S12A is one of the mid-sized members of the S series - a new range of compact and powerful subwoofers that have been developed to complement the brand's wideband speakers. The lightweight and yet robust plywood construction comes with a particularly durable polyurethane finish. The subwoofer is fitted with Proel's new Class D amplifier module with Switch Mode Power Supply, and is capable of generating enormous power in an enclosure specifically designed to be compact and easy to transport. The Proel S12A is equipped with a high-excursion woofer housed in a hybrid bandpass (HBP) configuration: This innovative design ensures greater efficiency compared to directly radiating subwoofers, as well as improving the acoustic coupling of the tuning channels with the air outside the unit. By reducing both distortion and air turbulence, Proel has created a subwoofer with a defined sound and a deep, powerful bass response.

Easily adjustable for every application

Like the other subs in the S series, the Proel S12A has a stereo preamp, as well as a 24dB/oct. crossover filter that allows users to manually select frequencies and activate phase reverse. This hybrid bandpass subwoofer generates a continuous output of 600W at a maximum SPL of 127dB, covering a frequency range of 43-160Hz. The connection panel comes equipped with an XLR/jack combination socket, and as such it can be used with devices with balanced or unbalanced outputs. The link left and link right sockets are set up as XLR outputs in parallel to the line input, providing a balanced line-level signal with a high-pass filter for connecting a satellite speaker. There are also switches for ground lift, low-pass, and high-pass, as well as rotary controls for the input level, level control, and phase.

36mm flange on the top panel of the Proel S12A subwoofer

For 24-hour party people

Thanks to its compact dimensions and low weight (19kg, or just over 40lbs), the Proel S12A is ideal for in-demand DJs, busy mobile entertainers, and live musicians of all kinds - in fact, anyone who primarily plays at small to mid-sized venues and needs a sub that is solid, easy to transport, and affordable. Its sonic characteristics are excellent too, especially the adjustable frequencies, which keep interference with any satellite speakers to a minimum and allow users to select the optimum frequency ranges for their preferred genre of music. Another useful feature is the automatic output attenuation when the device is switched on or off – no risk of level peaks damaging the woofer or the user's hearing! All in all, the Proel S12A active subwoofer promises to be a consistently reliable source of quality low-end sound, especially considering that the trend towards running a PA with a second sub shows no signs of abating.

Rear of the Proel S12A subwoofer with controls

About Proel

The Italian company Proel designs and manufactures durable and sustainable event technology across the fields of sound, video, lighting, and stage equipment for the global market. Proel products aim to combine affordability with user-friendly operation, ensuring the technology remains a supporting element rather than overshadowing the artistic experience. Every aspect of Proel’s process, from research and development to production, takes place in Italy, reflecting a commitment to quality and innovation. Their equipment is trusted worldwide for its reliable performance and simplicity.

Phase reversal for subwoofers

In the specific context of subwoofers, the term phase essentially refers to the timing of the low-frequency sound waves. By adjusting the phase, users can alter the positive movement of the woofer's sound cone, and thus the beginning of the sound wave. Phase reversal can be useful (or even necessary) when the acoustic signals generated by the woofer need to be adjusted to suit a specific room and speaker configuration, eliminating the need to change the position of the speakers entirely, which is virtually impossible in day-to-day operation. Fortunately, phase switching is an integral part of the design of the Proel S12A active HBP subwoofer, as is the case for all models in the series. This function also enables the optimum utilisation of the woofer's extended frequency range, further underlining its potential as a cost-effective and efficient solution on the low-frequency market.

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18 Reviews

Chouette petit sub

InvaderOne 02.07.2025

La connectique est largement suffisante et le rendu n'est vraiment pas loin du 15 pouces qu'il remplace.
Associé à 2 top 10 pouces (the box Pro DSP 110) c'est vraiment une bonne combinaison pour de petites soirées.
La finition semble sérieuse, la housse Proel est parfaitement adaptée.

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Ronny Hannes 24.04.2024

na een eerste test doet hij het beter dan verwacht voor een sub in deze prijsklasse , een stuk beter als zen kleine 10" broertje alvast , maar ga hem toch nog wat extra testen alvorens ik beslis of ik hem ga houden

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What a sub woofer!

Johnwilliams9100 11.08.2024

Completes my pro mobile DJ setup perfectly - sounds great and extremely well built.

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Proel S12A sub

Tarquin the black knight 14.01.2025

Light, loud, easy to use, selectable crossover points. Price very good. Very happy so far!

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Proel S12A

Active Hybrid Bandpass Subwoofer