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Sunfire HRS IW8AMP Black Amplifier


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Condition: New

Brand-new, unused, unopened and undamaged item in original retail packaging (where applicable).


Limited 1-5 year warranty  More info

Guaranteed In Stock

Order now for delivery on
Wed 22nd September 2021

Only 1 left in stock.

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The 520 Watt, Class D HRSIW8AMP amplifier is specifically designed to supply speaker-level power to the Sunfire HRSIW8 in-wall subwoofer, to produce stunning low frequency effects for your home theater. A 520 Watt Vibration-Free Performance Statement Designed Exclusively for In-Wall Applications.

Powerful. Thoughtful. Formidable. That best describes the new Sunfire In-Wall 8 Subwoofer System. Wrapped in a cabinet so thin and sophisticated that you can use every one of those Watts with virtually no mechanical vibration whatsoever. Bass performance that can play your movies, music and games with the kind of accurate reproduction that shows no favoritism. A ‘Credit Card’ Sized Remote Control with One-Button, Pre-Programmed Sound Modes is included. The HRS-IW8 Amp boasts 520 Watts RMS of power, can drive two of the HRS-IW8 Cabinets and includes the science of Sunfire’s Frequency Filtration Design (FFD) for detailed fidelity playback for all source content.

  • Tick Amplifier designed exclusively for the Sunfire HRSIW8 in-wall subwoofer
  • Tick 500 Watt, all-discrete Class-D switching amplifier for maximum robustness
  • Tick DSP system equalization for perfect frequency response
  • Tick DSP adjustable crossover with 40-160 Hz range and your choice of 12-36 dB/octave slopes
  • Tick DSP adjustable subsonic filter adjustable from flat to 40 Hz
  • Tick DSP adjustable phase
  • Tick DSP soft limiter prevents any clipping at the speaker and limits to 1.5% THD
  • Tick Two line-level XLR balanced inputs
  • Tick Two line-level RCA unbalanced inputs
  • Tick Five-way gold-plated speaker binding posts
  • Tick DSP settings can be locked/unlocked
  • Tick DSP display includes graphic volume display
  • Tick DSP menus and settings can be scrolled through and selected by the front panel knob and IR remote control
  • Tick Storage and recall of DSP settings
  • Tick SUB/LFE mode control
  • Tick Smart standby power supply that servo-controls the main amplifier power for less than a half watt draw from the household mains during standby
  • Tick Oversized heatsink for cool operation with any music
  • Tick Discrete analog power supply with a large toroidal transformer for best reliability and least noise.
  • Tick Front panel and remote control adjustable volume control
  • Tick Five EQ mode presets to enhance all types of media
  • Tick Night mode for reduced interference to other housemates when playing movies late into the night
  • Tick 12V trigger for advanced home system control
  • Tick Remote Infrared sensor jack for the custom home installer
  • Tick Audio sense timeout is adjustable from 5-30 minutes

While we do our best to keep this information up to date, please be aware that all specifications are subject to change by the manufacturer at any time.

Family HRS
Amplifier Output 520 watts rms into 4°
High Cut Filter 40 Hz - 160 Hz adjustable, with an LFE bypass position
Frequency Response 33 Hz - 150 Hz (-3 dB)
Power Line Voltage US model: 120 VAC 50/60 Hz
Dimensions (H x W x D) 44.5 mm x 482.6 mm x 284.5 mm
Weight 13.5 lb. (6.12 kg)
Output Levels Greater than 106 dB peak SPL (includes room gain) Measurement is at 1 meter, anechoic
Total Harmonic Distortion (amplifier) Less than 0.5% at 500W into 4°
Input Sensitivity (full output) 23 mV rms at 38 Hz with volume control set to maximum
Input Impedance 49 k° for Line-Level input
20 k° for XLR input
XLR Input Pin 1 Ground
Pin 2 Positive
Pin 3 Negative
Input Voltage Range2.2 -13 VDC
Impedance Approx 2800° (4.2 mA @ 12 V)
3.5 mm mono minijack, tip positive.

While we do our best to keep this information up to date, please be aware that all specifications are subject to change by the manufacturer at any time.

PayPal Credit - Flexible Credit

Buy Now, Pay Later: Get 4 months 0% finance when you spend £99 or more. Look for the PayPal Credit button when making your purchase.

More information on PayPal Credit is available here.

PaybyFinance - Pay Monthly

Pay monthly plans up to 60 months, on loan values between £500 and £25000. Minimum order value of £556.

0% IF6 6 Months
15.9% IB12 12 Months
15.9% IB24 24 Months
15.9% IB36 36 Months
15.9% IB48 48 Months
15.9% IB60 60 Months

Choose your deposit amount

Deposit variable between 10% and 50%, subject to a minimum loan value of £500.


Please note: the above quotation is an indicative cost and actual monthly payments may vary by +/- 2p per month.

For further information please visit the finance page.


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This item is available dispatch Monday to Friday, subject to cut-off times and excluding public holidays. Next working day and weekend deliveries available.

Delivery is available to most addresses within the United Kingdom. Some services may not be available to all postcodes. More information is available at the basket and on our delivery page.

We do not dispatch orders to addresses outside of the United Kingdom.

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