Yamaha HS4 Aktiv studiomonitor 2 pcs

Yamaha HS4 — Compact 2-Way Powered Studio Monitor for the Uncompromising Creator

The Yamaha HS4 is a compact 2-way bass-reflex powered studio monitor designed for creators who need accuracy without sacrificing desk space. Drawing on the HS Series legacy trusted by top professionals, this model integrates a 4.5-inch cone woofer and 1-inch soft-dome tweeter within a tightly built MDF cabinet, all powered by an efficient class-D amplifier. Bedroom producers, editors, and mobile creators get the flat, uncolored response the HS line is known for in a footprint small enough for a backpack.

What Sets the HS4 Apart in the Compact Monitor Segment

Innovative design choices distinguish this model from conventional compact monitors. Yamaha’s Twisted Flare Port reduces air turbulence in the bass-reflex port, which keeps low frequencies clean when positioned near a wall. Another advantage is the system’s single class-D amplifier powering both cabinets, reducing system weight and making cable management easier for mobile setups. This design delivers the resolution, soundstage, and depth of larger monitors in a chassis optimized for small spaces.

Driver Configuration — Honest Playback in a Small Box

Using a 2-way bass-reflex system, the HS4 deploys a 4.5-inch cone woofer for the lows and a 1-inch dome tweeter for the highs. With a 2.3 kHz crossover and maximum output of 102 dB SPL at 1 m, the frequency response stretches from 60 Hz to 22 kHz at -10 dB (with -3 dB from 83 Hz to 20 kHz).

• Woofer: 4.5-inch cone — manages the bass range with precise movement
• In nearfield setups, the 1-inch soft dome tweeter ensures smooth high-frequency dispersion for critical listening.
• Crossover Frequency: 2.3 kHz — provides a seamless transition between drivers

Amplification and Power — Class-D Efficiency

Both cabinets are powered by a single class-D amplifier, making the HS4 highly portable. The dynamic output delivers 26 W + 26 W at 6 Ω, and continuous output is 20 W + 20 W at 0.1% THD. Idle power consumption is only 15 W, promoting energy efficiency for extended use.

• Output Power: 52 W total (26 W + 26 W dynamic) — provides ample headroom for moderate mixing
• Class-D topology keeps the cabinet running cool and lightweight for travel or tight studio spaces.
• Power Consumption: 15 W — efficient for long sessions

Connectivity and Room Tuning — Plug-and-Play Flexibility

The rear panel’s three inputs let users connect to audio interfaces, mixers, or consumer sources without fuss. Room Control and High Trim switches at the back enable response tuning for boundary placements, while the front panel offers accessible controls for volume, power, and headphones.

• Inputs: XLR/TRS combo, RCA stereo, and stereo mini (AUX) — ready for pro and consumer devices
• Room Control switch at 0 / -2 / -4 dB under 500 Hz helps tame bass buildup from wall proximity.
• High Trim Switch: +2 / 0 / -2 dB above 2 kHz — adapts the top end for bright rooms

Who Benefits from the HS4

Bedroom producers, podcasters, and editors needing a monitor that fits small desks but still delivers accurate, reliable translation will appreciate this instrument. Lightweight construction makes it suitable for travel, and the flat response plus flexible tuning controls support quality monitoring even in tight hotel rooms.

HS Series — 20 Years of Studio Monitor Heritage

Over two decades, the HS Series has earned trust in studios worldwide for its neutral playback. The HS3 and HS4 extend this tradition to more compact spaces, offering creators the accuracy expected from the line. Yamaha marks the 20th anniversary of the HS Series in 2025, continuing its commitment to reference-grade monitor design.