Audiogroup is an authorized reseller and professional installer of premium home cinema and audio systems in South Africa. We are not a retail store; instead, we specialize in the supply, installation, calibration and ongoing support of the products listed on our website. Every system we deliver is installed and optimized by our experts to ensure maximum performance and reliability in your space.
The Yamaha NS‑777 are premium passive floor‑standing speakers engineered for high‑performance music listening and home theater use. Part of Yamaha’s EF Series, they deliver detailed sound, wide dynamic range, and smooth frequency response through a carefully tuned 3‑way bass‑reflex design with waveguide‑horn midrange and tweeter for enhanced imaging and clarity.
Specification
Details
Speaker Type
3-way, 4-driver bass-reflex floor-standing speaker system
Woofers
Dual 20 cm (8″) PMD (Polymer-injected Mica Diaphragm) cone drivers
Midrange Driver
13 cm (5″) cone with waveguide horn
Tweeter
2.5 cm (1″) aluminum dome with waveguide horn
Frequency Response
30 Hz – 35 kHz
Nominal Input Power
100 W
Maximum Input Power
250 W
Sensitivity
89 dB / 2.83 V / 1 m
Impedance
6 Ω
Crossover Frequencies
1 kHz / 4 kHz
Bi-Wiring Terminals
Yes
Magnetic Shielding
Yes
Internal Wiring
High-quality internal cabling
Dimensions (W × H × D)
276 × 1 100 × 390 mm
Weight
~24.4 kg per speaker
Design
Elegant high-gloss cabinet with magnetic shielding
