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The Sunfire HRS-8 is a compact, high-output 8-inch powered subwoofer designed to deliver deep bass from a small sealed enclosure. It is aimed at enthusiasts seeking serious low-frequency performance at a competitive price without sacrificing floor space.
This pre-owned unit is in good condition in gloss black, with some surface scratches, and is supplied as-is with no manual and no original packaging.
Sunfire’s Tracking Downconverter amplifier and high-excursion driver allow the HRS-8 to produce substantial output and useful extension to 22 Hz from a cabinet that disappears more easily than conventional 10- or 12-inch designs.
Visit our Lane Cove showroom to experience the compact authority of the HRS-8 sub.
Why Choose the Sunfire HRS-8 Subwoofer?
The HRS-8 concentrates high amplifier power and a long-throw 8-inch driver into a sealed cube, making it a practical choice where space is limited but bass quality still matters.
• High Output from a Small Box: 1,000 W RMS and a high-excursion driver produce impact well beyond the cabinet size.
• Efficient Cool-Running Amplification: Tracking Downconverter technology supplies high voltage without excessive heat.
• Easy System Matching: Variable crossover, bypass and continuous phase adjustment aid blending with main speakers.
• Line- and Speaker-Level Inputs: RCA and high-level connections suit a wide range of amplifiers and receivers.
• Discreet Gloss-Black Presence: Compact sealed cube is easier to site than many larger conventional subwoofers.
Audition the Sunfire HRS-8 at our Lane Cove showroom to judge its extension, speed and integration in a real listening space.
Despite its modest 254 mm cube, the HRS-8 is specified from 22 Hz to 100 Hz with a maximum SPL of 102 dB including room gain. The sealed acoustic-suspension enclosure and high-back-EMF driver favour control and pitch definition, while soft-clipping and specialised equalisation help keep output usable at higher levels.
Line-level RCA inputs (30 kΩ) and speaker-level inputs (5.6 kΩ), plus high-pass RCA outputs on many HRS installations, make the Sunfire HRS-8 adaptable to both stereo and home-theatre systems.
For listeners who want deep, compact bass at a competitive price, it remains a distinctive alternative to larger, less efficient designs.
Technical Specifications
• Product Type: Pre-owned
• Type: Compact powered subwoofer, sealed (acoustic suspension)
• Amplifier Output: 1,000 W RMS (Tracking Downconverter™)
• Driver: 203 mm (8 in) single active, high-excursion, extra-large magnet
• Driver Impedance: 4.6 Ω
• Frequency Response: 22 Hz – 100 Hz
• Maximum SPL: 102 dB (including room gain)
• Crossover Adjustment: 30 Hz – 100 Hz, infinitely variable, with bypass
• Phase Control: 0° – 180°, infinitely variable
• Line-Level Input Impedance: 30 kΩ (RCA)
• Speaker-Level Input Impedance: 5.6 kΩ
• Power Consumption: 600 W typical at maximum continuous output
• Dimensions (H × W × D): 254 × 254 × 254 mm
• Weight: 12.7 kg
• Finish: High-gloss black
• Condition Notes: Surface scratches present; no manual or original packaging
Learn more about the Sunfire HRS-8 in the What Hi-Fi? review here.
Let us show you the remarkable HRS-8 sub at Len Wallis Audio. Explore our second-hand hi-fi & AV collection here or contact our team to audition the HRS-8 at our Lane Cove showroom or enquire online.
Len Wallis Audio Excellence Promise
Since 1978, Len Wallis Audio has been a trusted name in hi-fi, curating premium audio solutions from our Lane Cove showroom in Sydney. For over four decades, we’ve selected products that deliver outstanding performance and quality.
Our focus on innovation ensures every item meets audiophile standards. Whether upgrading or building a new system, our team helps you find the ideal audio solution for your needs.
Experience the HRS-8 in person with an audition at our Lane Cove showroom. With expert guidance and a commitment to satisfaction, we make your audio journey seamless and rewarding.
Ready for compact high-output bass with the Sunfire HRS-8 Subwoofer?
Call (02) 9427 6755
Email [email protected]
Or visit us at 64 Burns Bay Road, Lane Cove, NSW, 2066
Generating expert take…
Sunfire was founded in 1972 by legendary audio engineer Bob Carver in the United States. The brand emerged from Carver's unconventional approach to amplifier design, beginning with a graduate-school assignment to simulate earthquakes—a project that sparked decades of innovation in home audio. Headquartered in Petaluma, California, Sunfire is now part of Core Brands, a division of Nortek Technology Solutions that consolidates ten prominent audio and control brands under unified marketing and product development.
The brand has built its reputation primarily around subwoofers and power amplifiers. Sunfire pioneered the concept of true subwoofers in the early 1990s—compact, sealed designs with dramatically increased driver excursion that deliver powerful bass from remarkably small enclosures. The company's signature Tracking Downconverter power supply technology enables high efficiency and low distortion by dynamically matching output to instantaneous demand. Beyond subwoofers, Sunfire manufactures surround-sound processors, in-wall speakers, satellite loudspeaker systems, and premium home theater electronics.
Sunfire occupies the high-end segment of the consumer audio market, positioned for serious audiophiles and home theater enthusiasts willing to invest in performance. The brand's innovations—particularly compact, high-output subwoofers and efficient amplifier designs—have influenced industry standards and remain respected among discerning listeners. While not a household name like some mass-market brands, Sunfire maintains strong credibility within the audiophile community for uncompromising engineering and sonic performance.
See all Sunfire Audio listings on RADAR.
