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Active Bass Speaker

  • Speaker configuration: 18" woofer and 3" diaphragm compression driver
  • Two inputs: XLR / 6.3 mm jack Mic / Line
  • Two line outputs: XLR
  • Power: 500 W RMS, 1000 W peak
  • Amplifier: Class D power amplifier
  • Maximum sound pressure level: 125 dB
  • Frequency range: 30 Hz - 150 Hz
  • Phase switchable (0/180°)
  • Switchable crossover for heads: 90 Hz or 120 Hz
  • M20 internal thread for stand mounting
  • Housing material: Multiplex
  • Two lateral handles
  • Dimensions (W x H x D): 520 x 660 x 620 mm
  • Weight: 41 kg
  • Colour: Black
  • Suitable castors: Art. 415294 (not included)
  • Available since August 2022
  • Item number 537820
  • Sales Unit 1 piece(s)
  • Power (Manufacturers Specs) 1000 W
  • Number of Bass Woofers 1
  • Bass Woofer in Inch 18"
  • Colour Black
  • Width 520 mm
  • Height 660 mm
  • Depth 620 mm
  • Weight 41 kg
  • Wheels Optional
  • Stand Flange M20
  • Multi Channel Power Amp No
  • Remote Control No
  • RMS Power 500 W
  • Sound Pressure in dB 125 dB
  • Housing Material Wood
  • Construction Direct Beam
  • Input Connector XLR
  • Output Connector XLR
  • X-Over Connector XLR
  • High Cut Adjustable
  • Frequency Range (-10dB) from 30 Hz
  • Frequency Range (-10dB) to 150 Hz
B-Stock available from $485
$529
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Turn the bass into sub-bass

The Syrincs D18 Sub adds real, physical low-end to existing PA setups, extending the lower frequency range with accuracy and punch. This active 18" subwoofer isn't limited to pairing with matching Syrincs tops – it can also be integrated easily into a wide range of existing systems. With 500W of power and a frequency response reaching down to around 30Hz, the D18 reliably covers the typical demands of club setups, events, and rehearsal spaces. A peak rating of 1000W means that even at higher volumes, the lowest elements in the mix – such as the kick drum – are reproduced with control. What makes the D18 particularly flexible is the built-in crossover, which allows even inxperienced users to hook up top speakers of different sizes, often removing the need for an additional control device altogether. The solid wooden enclosure also plays its part, helping to keep the bass response tight while reducing unwanted vibrations, even at higher volumes.

Syrincs D18 Subwoofer

Powerful and reliable

The driving force inside the Syrincs D18 sub is an efficient Class D amplifier. The 18" woofer itself is powered by a full-sized 3" voice coil, which helps maintain consistent performance even over longer periods of use. In practice, these specs mean that the D18 offers enough headroom for most typical mid-sized setups – for bass that can be felt as well as heard. Two combination XLR/jack inputs accept line-level signals, for example from a mixing desk. The dual XLR outputs make it easy to pass the signal on to additional speakers without the need for extra splitters. The locking XLR connectors ensure a secure connection in live use and help prevent cables from coming loose accidentally. Another practical detail is the front LED, which lights up red if the signal is clipping – and can be switched off if a more discreet look is required, such as in an art gallery, café, or theatre.

Syrincs D18 Sub with integrated M20 flange

Flexible and mobile

Whether it's on the dancefloor, in the rehearsal room, or at mobile events, the Syrincs D18 Sub is designed to reinforce systems that need more weight in the low end. To ensure that the sub-bass can be heard and felt effectively whatever the current setup, the cabinet includes pre-drilled threads for optional transport castors, as well as a recessed M20 socket for a distance pole. This allows top speakers to be mounted directly above the subwoofer – a common space-saving arrangement for compact PA systems. The integrated crossover also makes it easy to match the sub to different tops. Smaller speakers can be relieved of low-frequency duties at 120Hz, while larger tops are typically paired at 90Hz, leaving the sub to focus on its primary role. If an external crossover is used, the internal one can be switched off.

Control panel on the Syrincs D18 Sub

About Syrincs

Syrincs is one of Thomann’s in-house brands and most notably offers a range of speakers and the corresponding accessories for all manner of indoor applications, and its products have been an integral part of Thomann’s range since 1994. Active and passive full-range speakers as well as various wall and ceiling-mounted speaker solutions are at the core of the Syrincs range. As one would expect, these products are made by experienced manufacturers and offered at attractive prices without compromises in terms of quality. Anyone who is looking to provide background music in their store or place of business or to give a restaurant the right ambiance should therefore definitely consider Syrincs as the way to go.

Modular and international

To match the subwoofer, Syrincs also offers active full-range speakers in a variety of sizes. The compact D110SP is well suited to smaller setups, while the D112SP and D115SP provide additional headroom for larger spaces. All models can be combined with the subwoofer using distance poles. When multiple subs or stacked configurations are used, the integrated phase switch helps to align the system and ensures a more coherent low-end response across the room and stage. At the same time, the solid enclosure design helps keep unwanted vibrations and background noise to a minimum. For mobile use, optional transport castors can be fitted – the necessary mounting threads are already in place. And thanks to its switchable power supply (110V/230V), the Syrincs D18 is also suitable for use in a variety of international settings.

26 Customer ratings

4.9 / 5

features

handling

sound

quality

17 Reviews

M
MU95 09.12.2024
Awsome presented,well packed in box perfect shape ,solid weight, worth every cent,price good to be true😄
Sounds good enough ,perfect for events,
Bluetooth is extra 'cherry on top of the cake'
In general im very happy ,just got them this morrning ,i test them str8 away, and im more than happy
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Très bon rapport qualité prix.
ThierryBe 07.08.2023
J'ai remplacé mon système Warfedale vieillissant par un système Syrincs. Deux D18 Sub, deux D112SP et deux D115 SP. Je suis très satisfait de l'ensemble. Concernant les SUB la plage de fréquence descend bien à 30 Hz et même quand on pousse le volume les graves restent précis sans saturation. Ils ont l'air solides (à voir à l'usage) et ne sont pas trop lourds pour des 18 pouces. La fonction crossover est pratique et efficace. Un très bon rapport qualité prix. Le sub et les enceintes sont en tout point semblables à la série Nova de chez Audiophony (franchement à part le logo je n'ai trouvé aucune différence ni dans l'aspect ni dans les caractéristiques) mais beaucoup moins chers. Il y a des points de fixations pour poser des roulettes sur le sub. Je ne les ai pas utilisés car je préfère avoir un skate pour le transport.
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Super Subwoofer
tadomika 14.06.2025
Ich war lange am überlegen welcher Subwoofer für mich perfekt ist, dank Empfehlungen und Featurevergleich ist meine wahl auf den Syrincs D18 Sub gefallen.
Ich benutze den Sub mit 2 RCF ART710A MK5 und sie funktionieren perfekt miteinander.
Der Subwoofer hat ein Super klang. Und die Lautstärke ist auch ziemlich gut. Ich hab im freien Techno, House etc. Probegehört und natürlich auch mal ins Limit gespielt.
Der Tiefgang, Lautstärke und Limit ist für den Preis spitze. Er bringt richtig gut druck und man spürts defintiv in der Brust. Der Lack könnte jedoch nicht so rau sein. Ich empfehle jedoch die Rollen zu kaufen, er ist zwar alleine zum tragen, aber auf Distanz natürlich nicht gut für den Rücken😅
Rundum sein Geld wert. Ein 2ter kommt definitv.
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El complemento perfecto
damoca77 10.08.2024
Había adquirido dos altavoces syrincs de 15" y aún estando satisfecho quería poder mejorar el aspecto de los graves, solución, comprar el subwoofer de 18 a juego, y ha sido un acierto, los compañeros de la banda el día que lo estrenamos alucinaron con la mejora conseguida. Lastima que no haya un bundle de Syrincs de dos altavoces de 15" con subwoofer de 18" para haber ahorrado algo más ya que es una configuración que resuelve muy bien el tema del sonido para una banda rollo blues y rock.
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