Overview
Behind this compact design lies the deep-bass cornerstone of the Canton Smart ecosystem: an active subwoofer that communicates wirelessly with the series’ soundbars and speakers via proprietary Smart Wireless technology (5.8 GHz band). The Smart Sub 8 can also operate in wired mode via its RCA input, opening it up to configurations beyond the Canton universe alone.
A cellulose-graphite, downward-firing driver
The 219 mm (8”) driver uses a cellulose-graphite composite cone, a material Canton employs for its rigidity and light weight. The downfire configuration, with the driver facing downward, uses the floor as a reflective surface: low-frequency waves propagate omnidirectionally throughout the room rather than in a single direction. This arrangement makes placement easier, as the subwoofer can be installed near furniture or against a wall without radically altering its acoustic behavior.
The sealed enclosure, also known as an acoustic suspension design, favors precision over extreme extension. The air trapped in the cabinet acts as a pneumatic spring that brakes the cone and reduces overhang. The Smart Sub 8 goes down to 27 Hz, which is a respectable figure for such a compact enclosure volume. For those seeking even lower frequencies or higher output levels, Canton offers the Smart Sub 12, equipped with a 308 mm driver and capable of reaching 22 Hz.
Integration into the Smart ecosystem
The sub pairs wirelessly with compatible products: Smart Soundbar 9, Smart Soundbar 10, Smart Sounddeck 100, Smart Connect 5.1, or Smart Amp 5.1. Once connected, volume, phase, and LFE channel level adjustments are made from the on-screen display (OSD) menu on the TV, using the remote control of the soundbar or amplifier. Canton chose to centralize control rather than multiply knobs on the subwoofer itself.
In wired mode, the Smart Sub 8 offers two behaviors: always on, or automatic standby when no signal is detected. Standby power consumption is specified as less than 0.5 W. A selector on the rear lets you switch between wireless and wired modes.
Fine-tuned settings and refined finish
The crossover frequency is adjustable between 50 and 200 Hz, a range that covers common needs whether you pair the sub with compact satellite speakers or larger floorstanding models with deeper bass extension. The phase setting (0° or 180°, or continuously variable depending on the control source) allows you to time-align the subwoofer with the main speakers.
The built-in digital amplifier delivers 200 W of music power. Canton integrates its SC technology, a protection circuit that monitors driver excursion and adjusts the signal to prevent distortion or damage in case of excessive demand.
Aesthetically, the top of the subwoofer is covered with a polished glass plate, a design choice that echoes the Smart Soundbars in the range. The available finishes (satin matte black, satin white) match the other products in the series. Height-adjustable feet make it possible to compensate for uneven floors or fine-tune the mechanical coupling with the surface.
Dimensions and placement
Measuring 27 × 33 × 27 cm (W × H × D), the Smart Sub 8 has a modest footprint. It can be tucked next to a TV stand, in a room corner, or under a console table. Its light weight of 8.5 kg makes handling easy during installation. For medium-sized rooms (15 to 25 m²), this format strikes a good balance between compactness and the ability to deliver impactful bass during movie watching or music listening. In larger spaces or for home theater sessions at high volume, the Smart Sub 12 will take over, offering greater dynamic headroom.
Documentation
Technical specifications
General information
- Type: wireless active subwoofer
- Product reference: Canton Smart SUB 8
- Canton Smart Wireless technology ensures a stable, high‑quality wireless connection with compatible Canton Smart products, for simple, fast integration into a home cinema or multiroom system.
- The sealed enclosure design guarantees precise, controlled reproduction of low frequencies, as well as seamless integration with the main speakers.
- The compact format and premium finish make installation easy in any listening environment.
Acoustics and transducer
- Bass driver: 1 x 219 mm (8”), cellulose / graphite cone, down‑firing configuration
- Acoustic principle: sealed enclosure
- Frequency response: 27 – 150 Hz
Amplification
- Music power: 200 W
Wireless connectivity
- Technology: integrated Canton Smart Wireless
- Compatibility: Canton Smart home cinema and multiroom systems
Settings and controls
- Crossover frequency: 50 – 200 Hz, adjustable
- Phase adjustment: yes
- Automatic power on (Auto On / Off): yes
Power consumption
- Standby power consumption: 0.32 W
Dimensions and physical characteristics
- Dimensions (W x H x D): 27 x 33 x 27 cm
- Weight: 8.5 kg
- Finish: premium
- Height‑adjustable feet: yes
Frequently Asked Questions
Does the Smart Sub 8 work with non-Canton devices?
Yes, but only via a wired connection using the RCA input. The Smart Wireless link is reserved for Canton Smart series products. In wired mode, the sub integrates into any system with a subwoofer output (preamplifier, AV receiver, TV with audio output).
How does wireless pairing work?
Pairing is initiated from the OSD menu of the compatible Canton soundbar or amplifier. Once the subwoofer is powered on, the connection is established automatically within 10 to 20 seconds. An indicator on the sub confirms the connection status (searching, paired, connected).
What is the difference between a sealed and a bass-reflex design?
A sealed enclosure is completely closed: the internal air acts as a damper that controls cone movement. The result is tighter bass with less overhang, but slightly less deep extension at the same volume level. A bass-reflex design uses a port or passive radiator to increase efficiency in the low frequencies, sometimes at the expense of strict control. Canton chose a sealed design for the Smart Sub 8 to prioritize precision.
Can two Smart Sub 8 units be used simultaneously?
The Smart series allows only one subwoofer per configuration. For a dual-sub stereo setup or higher sound pressure, you will need to consider other ranges, or use wired mode with an external signal splitter.
- Eco-contribution included in the sale price.
- Manufacturer reference: 03997








