Sennheiser HD 490 PRO – Open-Back Reference Studio Headphones

The HD 490 PRO is engineered for mixing engineers, producers, and serious audio creators who need accurate, honest monitoring. Its open-back design, dual pad sets, high impedance and excellent SPL handling deliver clarity and detail across the entire frequency range—Soundium offers these headphones when precision matters.

Key Features

• Open-back dynamic drivers with neodymium magnets: Provide natural soundstage and fine detail across mids and highs.
• Two sets of switchable ear pads: Producer pads (velour, softer feel) and Mixing pads (more open cloth) let you tune comfort and sound signature.
• High sensitivity & 130 Ω impedance: Enough power from most audio interfaces, balanced output with strong performance.
• Excellent SPL handling up to 128 dB: Clean output even at loud levels; low distortion.
• Detachable cable & dual jack attachments: Includes 3.5 mm connector with 6.3 mm adapter for flexible use in various studio gear.
• Lightweight build (~260 g w/o cable): Comfortable for long sessions; solid headband and angled driver design improve fit.

Customer Benefits

With the HD 490 PRO, you get headphones that let you work longer and listen critically. The switchable pads give control over tonal balance and comfort depending on your task. The open-back design offers spacious imaging, making mixing decisions easier. High SPL capability means fewer worries about distortion, while the detachable cable and jack options make these suitable for many studio setups. Soundium supports your craft with tools that let you trust your ears.

Quick Specs

• Frequency response: 5 – 36 000 Hz
• Impedance: 130 Ω
• Sensitivity: 105 dB SPL (1 kHz / 1 Vrms); 96 dB SPL (1 kHz / 1 mW)
• Max SPL: 128 dB (1 kHz @ 5 % THD)
• Weight (without cable): ~260 g
• Cable length: 1.8 m standard, “Plus” version includes both 1.8 m and 3 m cables
• Connectors: 3.5 mm plug, with included 6.3 mm adapter

What’s in the Box

• HD 490 PRO headphones
• Producing (velour) ear pads
• Mixing (cloth) ear pads
• Detachable cable (1.8 m)
• 3.5 mm to 6.3 mm adapter

Use Cases / Ideal For

Excellent for mixing, mastering, production, content creation, and critical listening where accurate sound is required. Also good for those who prefer open-back headphones and spend long hours in the studio. Best suited to quiet environments where leakage and ambient noise are not issues.

Compatibility

Works well with a wide range of audio interfaces capable of driving 130 Ω loads. Needs no special power; standard headphone output is sufficient, though clean gain helps. Detachable cable and jack options make them flexible with studio gear, consoles, interfaces. Open-back nature means minimal isolation; ideally paired with silent room or treatment.

Pros & Cons

✅ Pros:

• Very wide frequency range with detail and clarity.
• Switchable pads let you tailor comfort and signature.
• Light, wearable design for extended sessions.
• Good SPL tolerance and low distortion.

⚠️ Cons:

• Open-back design leaks audio and provides poor isolation.
• Lower treble may be bright or harsh for sensitive listeners.
• Pads differ in sound; one choice may emphasise certain frequencies to your taste—not one suit for all.

The Sennheiser HD 490 PRO offers professional reference sound with flexibility, comfort, and clarity. If you need headphones that let you evaluate mixes, feel secure in your adjustments, and listen for hours without fatigue, this model stands strong—Soundium supports your pursuit of accuracy in every detail.