Audibax Seattle 18S 2.1 - 18″ Active Subwoofer with DSP, Bluetooth and Satellite Outputs
The Audibax Seattle 18S 2.1 is an 18″ powered subwoofer with DSP presets and multimedia connectivity , designed for quick and reliable 2.1 system setups. It features XLR/Jack combo inputs for microphone/line , a stereo RCA AUX input , and XLR line outputs , as well as Bluetooth connectivity and a USB/MSD/SD player with radio function. Its MDF enclosure and 36mm M20 threaded top mount allow for the installation of a pole and two satellite speakers, while the 2-pole Speakon connectors facilitate the connection of external speakers. It offers a maximum SPL of 124 dB , a frequency response of 45 Hz–200 Hz , and a sensitivity of 96 dB (1 W/1 m) , with universal AC 100–240 V power supply . Dimensions: 515 × 610 × 620 mm and weight: 38.57 kg .
Main features
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Integrated 2.1 system: 18″ active subwoofer with satellite connections via Speakon 2p .
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DSP processor with presets: quick adaptation of the system to the room and application.
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Full connectivity: 2 Mic/Line inputs (XLR/Jack combo), AUX RCA , XLR line outputs , Bluetooth and USB/MSD/SD player with radio.
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Verified acoustic performance: 124 dB SPL max. , 45 Hz–200 Hz , sensitivity 96 dB , transducer impedance 4 Ω .
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Professional structure: MDF enclosure, 36 mm socket with M20 thread for post and IP50 protection (indoor use).
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Wide power supply: AC 100–240 V ; declared max. consumption 1,236 W (SUB+SAT) .
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Dimensions and weight: 515 × 610 × 620 mm ; 38.57 kg .
Product benefits
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Quick and easy setup: the sub integrates inputs, player and DSP, reducing additional hardware.
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Versatile connectivity: supports balanced, unbalanced sources and wireless or USB/SD playback.
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Powerful and controlled bass: the 18″ with DSP maintains punch and clarity between 45–200 Hz.
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Scalability: possibility of adding passive satellites via Speakon, creating a compact 2.1 system.
Use cases
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Events and rental: 2.1 set for DJ, live music, conferences and social events.
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Facilities: pubs, restaurants, schools or gyms that require solid bass with easy control.
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Mobile reinforcement: portable combos for bands and technicians seeking rapid deployment.
Frequently Asked Questions
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Can I connect two satellites? Yes, the system has 2p Speakon connectors for low impedance external speakers (see power and load limits).
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What playback options does it include? Bluetooth and USB/MSD/SD player with radio function.
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Can a post be mounted on top? Yes, a 36mm upper socket with M20 thread .
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Is it suitable for outdoor use? It has an IP50 rating; it is intended for indoor or protected locations.
Connectivity and control
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Inputs: 2 × Mic/Line in XLR/Jack combo and 1 × AUX RCA stereo .
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Outputs: 2 × XLR line for routing and 2p Speakon connectors for satellites.
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Management: DSP by preselections from the panel.
Project description
18″ active subwoofer with DSP (presets) , Bluetooth and USB/MSD/SD player with radio; 2 XLR/Jack Mic/Line inputs , RCA AUX , 2 XLR line outputs and 2p Speakon connectors for satellites; 124 dB SPL max. , 45 Hz–200 Hz , 96 dB sensitivity , 4 Ω transducer; 36 mm socket with M20 thread ; MDF , IP50 ; AC 100–240 V ; 515 × 610 × 620 mm ; 38.57 kg .
