Energy e:XL-S8 8″ Front-Firing Subwoofer 400W Peak! – Canada

$195.00

An 8-inch driver on a discrete MOSFET amplifier rated 100 watts RMS and 400 peak, in a vented cabinet that reaches 29 Hz. The rear panel gives you continuously variable phase, a low-frequency EQ of plus or minus 3 dB, an adjustable low-pass, and both high- and low-level inputs. Black ash, 25.9 lbs, made in Canada. Very good cosmetic condition.

1 in stock

Description

Energy e:XL-S8 8″ Front-Firing Subwoofer 400W Peak! – Made in Canada

Made in Canada, the Energy e:XL-S8 is a compact, musically refined 8-inch forward-firing powered subwoofer — the ideal complement to a quality bookshelf or satellite-based system in a small to mid-sized room.

Energy makes great speakers, and this little Canadian-built subwoofer is no exception. It is fast enough to be genuinely musical with two-channel stereo material, yet has enough output for home theatre duty in the right-sized room. Energy positioned the e:XL-S8 as an upgraded version of the critically acclaimed ES-8, sharing the same compact footprint while delivering refined low-frequency performance.

The e:XL-S8 pairs a heavy-duty 8-inch driver with a 100-watt RMS / 400-watt peak discrete MOSFET amplifier, housed in a tuned bass-reflex cabinet for efficient, extended bass output. A genuinely well-equipped rear amplifier panel offers continuously variable phase alignment from 0° to 180°, a low-frequency EQ control (-3 dB to +3 dB) for room tuning, an adjustable low-pass crossover, and both high-level and low-level inputs for flexible integration with receivers or integrated amplifiers. Auto on/off circuitry and overdrive protection round out a thoughtful feature set. This unit is in very good cosmetic condition and has been thoroughly inspected and tested to confirm full functionality.

Best suited for use at modest-to-moderate volume levels in small-to-mid-sized rooms — where its musicality, compact footprint, and Canadian build quality shine — rather than large spaces or reference-level home theatre output.

Specifications:

Amplifier type: Bass reflex (vented), discrete MOSFET

Power output: 100 W RMS / 400 W peak

Woofer: 8 in. (203 mm) heavy-duty driver

Voice coil diameter: 1 in. (25 mm)

Magnet weight: 20 oz.

Frequency response: 29 Hz – 100 Hz (+0/-3 dB)

Crossover (low-pass filter): Continuously adjustable

Phase control: Continuously variable, 0° to 180°

Low-frequency EQ: -3 dB to +3 dB

Inputs: High-level (binding posts) and low-level (RCA)

Auto on/off circuitry: Yes

Overdrive protection: Yes

Finish: Black Ash

Country of manufacture: Made in Canada

Dimensions (W x H x D): 9.875 x 15.875 x 10.875 inches (251 x 403 x 276 mm)
Weight: 25.9 lbs (11.75 kg)

A compact, musical, Made-in-Canada powered subwoofer ready to add clean, well-tuned low-end support to a small-to-mid-sized system.

Backed by Radique Audio’s 90-day limited subwoofer warranty and our Perpetual Trade-Back Program, you can purchase with confidence.

$195.00
Additional information
Weight28 lbs
Dimensions15 × 14 × 20 in
About brand
Energy at Radique
We service Energy, too. Bring us your own Energy speakers and subwoofers for repair, servicing or restoration (speakers up to 80 lbs each), with a 90-day warranty on the work. See our Audio Service page

Energy is a Canadian speaker brand from Audio Products International (API) of Scarborough, Ontario, the same company and factory behind Mirage. API was founded in 1973, and the Energy brand dates from the late 1970s or early 1980s. We carry Energy bookshelf speakers, towers, centre channels and subwoofers. We've had more than 170 Energy listings so far, covering more than 75 different models. Every used Energy here is inspected, tested and serviced as required, then photographed in-house and covered by our Bumper-to-Bumper Warranty and Perpetual Trade-Back Program. Don't see the model you want? Tell us on First Dibs and we'll email you when one arrives.

Our five best-selling Energy models so far: the RC-mini bookshelf speakers, the e:XL-S8 and ESW-8 subwoofers, the e:XL-C centre and the C-300 towers.

The Energy story

Howard Heiber founded Audio Products International in 1973 in Scarborough, Ontario, as a builder of private-label speakers. Energy says its brand dates from 1973; other sources point to the late 1970s or early 1980s, when API took on the Energy and Sound Dynamics names.

Research in Canada. Energy took part in the National Research Council of Canada's listening-test research from 1977 to 1986, and its speakers were built at API's Scarborough factory, which it shared with Mirage.

Veritas and Connoisseur. The Veritas v2.8 flagship was shown at the 1993 Winter CES, and the Connoisseur series followed in the mid-1990s. The Take 5 satellite system arrived in 1997.

New owners. Klipsch Group of Indianapolis bought API, with Energy, Mirage and Athena, in August 2006, and production moved to China around 2006 to 2007. VOXX bought Klipsch in 2011, and Gentex bought VOXX in 2025.

Which Energy is which?

Veritas (1993 onward): the flagship line, such as the three-way v2.8.

Connoisseur (mid-1990s to mid-2000s): models such as the C-2, C-3, C-6 and C-8.

Reference Connoisseur (RC): including the RC-70 towers and the RC-mini, one of our best sellers.

Take 5 and Take Classic (1997 onward): small satellite-and-subwoofer systems.

XL and e:XL (2000s): the entry line. Our best-selling e:XL-S8 subwoofer and e:XL-C centre come from here.

C-series (late 2000s): the vinyl-finished budget line, from the C-50 to the C-500, including the C-300 towers.

Subwoofers: the ESW and S-series, such as the ESW-8 we sell often.

Buying used Energy: what to check

Aluminum-dome tweeters. Owners report broken tweeters on some Connoisseur models. Look closely for dented or cracked domes.

Powered subwoofers. Owners report failed plate amplifiers on some S-series subs. Any sub should play cleanly at volume.

Surrounds. Most Energy woofers of the 1990s and 2000s use rubber surrounds, but some models, such as the RVSS dipole, used foam. Press gently on each woofer surround.

Where it was made. Energy speakers were made in Scarborough into the mid-2000s and in China from about 2006 to 2007. Check the rear label if Canadian manufacture matters to you.

Everything we list is inspected, tested and serviced as required here, and comes with our warranty.