Name: Yamaha HS8S Powered Subwoofer
Brand: Yamaha
Price: 570.0 AUD
Availability: InStock
Rating: 5.0 (4 reviews)

5.0

Rated 5.0 out of 5 stars

4 Reviews

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A powered studio subwoofer from Yamaha's HS Series, with an 8" cone driver in a bass-reflex cabinet and a 150 W amplifier. Yamaha lists a frequency range of 22 Hz to 160 Hz (-10 dB).

Yamaha describes the HS8S as an 8" bass-reflex powered subwoofer for the HS Series. It has balanced XLR and TRS phone inputs and balanced XLR outputs, so it can sit between a source and a pair of monitors.

Driver

8" cone

Amplifier

150 W

Frequency range

22 Hz - 160 Hz (-10 dB)

Inputs

XLR x2, TRS phone x2

Outputs

XLR x2 (L and R)

Weight

12.5 kg

The Yamaha HS Series, from Yamaha

Why you will love it

Built for low frequencies

Yamaha says the HS8S has a high-power 150 W amplifier designed only for low frequencies, driving an 8" cone woofer in a bass-reflex cabinet. Its published frequency range is 22 Hz to 160 Hz (-10 dB).

The cabinet is MDF. Yamaha says HS Series cabinets use a mitered-joint construction, drawn from its piano-making experience, to reduce unwanted resonance.

Yamaha HS8S powered subwoofer seen from the front left

Rear panel of the Yamaha HS8S with XLR and TRS inputs, XLR outputs and controls

Crossover and phase controls

A HIGH CUT control sets the cutoff of the subwoofer output from 80 Hz to 120 Hz. A LOW CUT switch and LOW CUT control attenuate low frequencies for the output between 80 Hz and 120 Hz. A PHASE switch (NORM. or REV.) adjusts the phase of the subwoofer output, and a LEVEL control sets the volume.

Yamaha says these controls let you build a subwoofer system with simple connections and no additional equipment.

Port design

Yamaha says its port design uses analysis of the airflow at each end of the port to control vortex noise, and that this reduces audible noise by up to 6 dB. Yamaha gives this as a feature of the HS Series.

Part of the HS Series

Yamaha says HS Series monitors are designed for an accurate, uncoloured sound, and that the HS8S extends that range to the low end. Yamaha lists mounting points and bracket options only for its HS-I models, not for the HS8S.

Is it right for you?

A great fit if you…

Run a pair of Yamaha HS monitors or other powered monitors and want more low-frequency output
Want balanced XLR and TRS connections
Want adjustable crossover (80-120 Hz) and phase controls
Have room for a 300 x 350 x 389 mm cabinet

Worth knowing

It is a subwoofer only. You need a pair of monitors or speakers as well
Yamaha's inputs are XLR and TRS phone only. There is no RCA input listed, so a source with RCA outputs needs an adapter cable or a different path
It weighs 12.5 kg

Build your system

Yamaha designs the HS8S to sit alongside the HS Series monitors.

Monitors: Pair it with the Yamaha HS5, Yamaha HS7 studio monitor or Yamaha HS8 studio monitor. Monitors are sold each.
Compact monitors: See the Yamaha HS4 or Yamaha HS3 pairs.
More options: Browse subwoofers.

Specifications

General

Speaker type	Powered subwoofer
Frequency range (-10 dB)	22 Hz - 160 Hz
Driver	8" cone (LF)
Output power	150 W
Enclosure	Bass-reflex, MDF
Inputs	XLR3-31 (balanced) x2, PHONE (balanced) x2
Outputs	XLR3-32 (balanced) x2 (L and R)
Controls	LEVEL; PHASE switch (NORM./REV.); HIGH CUT (80-120 Hz, centre click); LOW CUT (80-120 Hz, centre click); LOW CUT switch (ON/OFF)
Power consumption	70 W
Dimensions (W x H x D)	300 x 350 x 389 mm
Net weight	12.5 kg

Specifications from the Yamaha Australia HS Series specification page, checked November 2026.

Questions people ask

Is this a subwoofer or a monitor?

It is a powered subwoofer. Yamaha lists it as an 8" bass-reflex subwoofer with a 150 W amplifier.

What connections does it have?

Yamaha lists two balanced XLR inputs, two balanced phone inputs and two balanced XLR outputs (L and R).

Can I adjust the crossover?

Yes. Yamaha lists HIGH CUT and LOW CUT controls, each from 80 Hz to 120 Hz, plus a LOW CUT switch and a PHASE switch.

Does it have an RCA input?

Not in Yamaha's specification. The listed inputs are XLR and balanced phone.

5.0

Rated 5.0 out of 5 stars

Based on 4 reviews

100%would recommend this product

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4 reviews

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KW
Klaus W.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 month ago
Rumble in the Jungle
Absolutely happy with the purchase and the Team at Todds Hi FI
Don't know how i ever could have been without a subwoofer - Now i can enjoy some deep frequencies and keep the Snakes away
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MT
Marcos T.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
3 months ago
Great product!
Everything working as expected , it pairs just perfectly with the HS7’s to reach the full range of frequencies. Super recommended.
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SL
Sheridan L.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
6 months ago
Yamaha HS8S
Love it suits perfectly with the HS7’s
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BD
Brian D.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
9 months ago
Worth the added expense
purchased this HS8S to complement my existing pair of HS7. Best upgrade, money well spent for my keyboard.
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