Devine Onyx 18SXA Active Subwoofer

Devine Onyx 18SXA Active Subwoofer
Product no: 9000-0061-1345 Bax Music Warranty: This product comes with a 3-year warranty.

General

Designed for smaller DJ set-ups as well fixed installations, the Devine Onyx 18SXA is a powerful bass bin loaded with an 18" woofer and a 2.1 amplifier module that's ready to drive two passive satellite speakers like a pair of Devine Onyx Series 10s. So you can get the right sound at the right time, this active sub features a DSP section with four built-in modes (Main, Music, Live and Speech) while round the back, you'll find a range of controls including a phase switch, a ground lift switch and a stereo mono set-up switch. The Onyx 18SXA boasts a peak power of 1,000W and comes finished with two XLR/TRS combo line inputs, two balanced XLR link outputs and two SpeakON outputs. Just keep in mind that the passive speaker outputs are only compatible with passive speakers with an minimal impedance of 8 Ohms.

Specifications

Product features

Sustainable product	not specified
Mid driver/woofer diameter	18 inches
RMS power in watts	750 - 1,499 W
Minimum frequency	30 - 34 Hz
Maximum SPL	130 dB - 139 dB
Weight per speaker	39 kg
Speaker connections	6.3 mm TRS input, XLR input, XLR / TRS combi input, out / link / thru
Maximum subwoofer frequency	250 Hz
Locking speaker connectors	yes

Weight and dimensions including packaging

Weight (incl. packaging)	47,7 kg
Dimensions (incl. packaging)	79,0 x 71,0 x 65,0 cm

Product specifications

Devine Onyx 18SXA
active subwoofer
frequency range: 30 Hz - 250 kHz
2.1 amplifier module
- low RMS: 600W
- high RMS: 2x 120W
- peak: 1000W
max. SPL: 136 dB
driver: 18" woofer, 4" voice coil
distance rod aperture:
- M20
- max. weight capacity: 30kg
connections:
- 2x XLR/TRS combo line input
- 2x XLR Link output, balanced
- 2x SpeakON output
fase switch: 0 - 180°
DSP modes: Main, Music, Live, Speech
ground lift switch
stereo/mono set-up switch
power supply: 100 - 240V AC, 50/60 Hz
dimensions: 62.5 x 72 x 69.5cm
weight: 39 kg

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Reviews from other countries

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Alexandre P. January 16, 2026

Wrote the following about Devine Onyx 18SXA Active Subwoofer

Très bon rendu. Panneau arrière très conviviale, possibilité de connectique complète. En combinaison 2 caissons 18SXA avec 4 JB SYSTEM PSA15 ... ça pousse très fort. Je vous le recommande ce matériel.

Nis Veris March 22, 2024

Wrote the following about Devine Onyx 18SXA Active Subwoofer

Groot en zwaar maar geeft voor onze toepassing buiten in open lucht niet voldoende resultaat. Weinig of geen meerwaarde tov de huidige bass die uit de Alto415 speakers komt.

michel C. October 16, 2021

Wrote the following about Devine Onyx 18SXA Active Subwoofer

rendement étonnant,le 18 pouces pousse fort,connectique très complète,j'en ai branché deux avec deux Devine Artis 15A,je ne regrette pas mon achat.