Name: Yamaha NS-F51 Floorstanding Speakers Black (Pair)
Brand: Yamaha
Price: 599.0 AUD
Availability: OutOfStock

Yamaha NS-F51 Floorstanding Speakers Black (Pair)

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A pair of floor-standing speakers from Yamaha with two 16 cm cone woofers and a 3 cm soft dome tweeter in a two-way bass-reflex design. Yamaha lists 43 Hz to 26 kHz response, 80 W nominal input power and 6 ohms impedance.

Yamaha describes the NS-F51 as a floor-standing speaker for home theatre. It says the speaker suits large-screen TVs and works with movies and with sources such as CDs, MP3 and streaming music.

Woofers

Dual 16 cm (6-1/2") cone

Tweeter

3 cm (1") soft dome

Design

2-way bass-reflex

Frequency response

43 Hz-26 kHz

Nominal / max power

80 W / 240 W

Impedance

6 ohms

Why you will love it

Two woofers and a soft dome tweeter

The NS-F51 is a two-way, three-speaker design. Yamaha says the two 16 cm (6-1/2") cone woofers and one 3 cm (1") soft dome tweeter give strong bass and smooth full-range sound.

Yamaha says the large-capacity cabinet produces thrilling bass tones, while a bracing system suppresses cabinet resonance for clear treble. It also says a wooden circuit board is used in the network circuit.

Pair of black Yamaha NS-F51 floor-standing speakers, one with grille and one without

Close-up of the Yamaha NS-F51 tweeter and two woofers

Rounded form and grille

Yamaha says the cabinets are rounded to reduce the diffraction effects that cause murky sound.

The front grille has slanted corners, which Yamaha says brings to mind its flagship speakers. Yamaha describes a high-texture wood grain cabinet.

Is it right for you?

A great fit if you…

Want floor-standing speakers for a home theatre or stereo system
Have an amplifier or receiver suited to 6 ohm speakers
Want a pair with two 16 cm woofers each

Worth knowing

They are passive speakers and need an amplifier or receiver. They are not wireless or Bluetooth
Each speaker is 233 mm wide, 973.5 mm high and 254 mm deep, and weighs 13.7 kg
Yamaha lists 6 ohms impedance, 80 W nominal and 240 W maximum input power

Build your system

These are passive speakers. They need a separate amplifier or receiver. Yamaha lists 6 ohms impedance, so check that your amplifier suits it.

Centre speaker: For home theatre, add the Yamaha NS-C444 centre speaker.
Amplifier: Drive them from a stereo amplifier or an AV receiver.
Subwoofer: Add bass with a subwoofer.
More speakers: Compare other floor-standing speakers.

Specifications

Drivers and performance

Type	2-way bass-reflex floorstanding speaker
Woofers	Dual 16 cm (6-1/2") cone
Tweeter	3 cm (1") soft dome
Frequency response	43 Hz-26 kHz
Nominal input power	80 W
Maximum input power	240 W
Sensitivity	89 dB / 2.83 V / 1 m
Impedance	6 ohms

Size and weight

Dimensions (W x H x D)	233 x 973.5 x 254 mm
Weight	13.7 kg per unit

Specifications from Yamaha Australia's NS-F51 overview and specification pages, checked November 2026.

Questions people ask

Is this a pair?

Yes. The listing is for a pair of speakers. Yamaha lists weight per unit.

Do they need an amplifier?

Yes. They are passive speakers. They are not wireless or Bluetooth.

What impedance are they?

Yamaha lists 6 ohms, with 80 W nominal and 240 W maximum input power.

How big are the drivers?

Two 16 cm (6-1/2") cone woofers and a 3 cm (1") soft dome tweeter in each speaker.