



Heka Interior — ergonomic office chair
Master Q4
Looking for a modern, elegant office chair that combines comfort and practicality? -The Master Q4 chair is the perfect choice. Its mesh back with a beautifully curved S-shape provides optimal back support, while the movable 3D lumbar support offers additional comfort during prolonged sitting.
Povpraševanje za podjetja
Pripravljamo posebne pogoje za večje naročila. Pustite nam vaše podatke in vrnemo se vam v najkrajšem možnem času.
- Fabric:
- Nordic Schwarz 132
- Base:
- PVC podnožje (črno)
- Rokonasloni:
- Z rokonasloni
Perfect Pairing
7-day free trial at your workplace
Custom-made — produced in Slovenia
3-year warranty
Made in Slovenia, in Medvode
Technical data Master Q4
Key Features
- Ergonomically designed backrest in comfortable, breathable and durable NET mesh
- Height and depth adjustable 3D lumbar support
- Synchron mechanism with synchronous movement of seat and backrest
- Backrest lock in four positions (Q4)
- Adjustment of backrest tilt tension according to user's weight
- Ergonomically designed seat upholstered with Bondai fabric
- Seat height adjustment
- Chrome or PVC base (black)
- Rubberized castors suitable for hard floors
- Load capacity up to 120 kg
Dimensions & Technical Specifications
Seat height: ___ cm (adjustable)
Seat width: ___ cm
Seat depth: ___ cm
Backrest height: ___ cm
Weight: ___ kg
Maximum load capacity: 120 kg
Precise specifications are in the attached technical list (PDF) below.
Materials & Fabrics
Seat: Bondai fabric — Blue 67, Gray 36 or Black 02
Backrest: NET mesh, black
Base: polished chrome or black PVC
Castors: rubberized, suitable for hard floors
All available fabrics and color variations can be viewed in our material library.
Mechanism & Adjustments
Synchronous mechanism — the seat and backrest tilt synchronously. Locking option in four positions (hence the Q4 designation).
Settings:
- Seat height
- Backrest tilt tension according to user's weight
- 3D lumbar support — height and depth adjustable
- Armrests — adjustable
Delivery, Installation & Returns
Manufacturing and delivery: 4-6 weeks (custom product, in-house production in Medvode)
EU Delivery: 4-7 weeks
Free 7-day trial in your workspace. If the chair doesn't fit, we'll pick it up at no cost.
14-day return in accordance with the law.
For Businesses & Architects
Volume discounts: from 5 pieces onwards
Custom configuration: choice of three standard Bondai fabric colors (Blue, Gray, Black) and base in chrome or black PVC; for larger projects, also fabrics in corporate colors
Heka References: NLB Emona BTC (1,200 workstations), Triglav, Volvo, Marriott, Radisson
CAD/DWG files for 3D models and floor plans
Chair showroom: Medvode
Contact person for projects: sales@heka-interior.com
B2B SERVICES
For Architects and Designers
Comprehensive service from design to delivery. Master Q4 is a reliable choice for modern offices, where both comfort and aesthetics matter.
CAD / BIM Files
All technical files (DWG) for your 3D models and office floor plans.
Personal Consultation
Our team of technologists and project managers will arrange a meeting with you. Free consultation for 50+ workstations.
Visit Our Showroom
Chair showroom in Medvodah — try all the chairs in person.
Volume Discounts
From 5 items onwards. For 200+ workstations, special offers and custom branding.
Documentation Downloads
All the technical data you need for office planning or a purchase decision.
Master Q4 Technical Data Sheet
Dimensions, materials, mechanism and certificates in PDF format.
TRUSTED BY
Our products in leading Slovenian and European companies
Heka chairs furnish 1,200 workstations at NLB Emona BTC, meeting rooms at Triglav, Volvo service centers, and Marriott and Radisson hotel rooms across Europe.










































Years of Slovenian tradition
Slovenian and European partners
Years of warranty
Days of free trial
Frequently Asked Questions
How does Master Q4 differ from other ergonomic chairs?
Master Q4 has two key advantages: 3D adjustable lumbar support (height and depth adjustable) and 4-position backrest lock (hence the Q4 designation). In most chairs in this price range, the lumbar support is only height-adjustable, without a lock. Master Q4 allows you to support your back exactly where you need it, and lock the mechanism in the desired position.
How does the 7-day free trial work?
We deliver the chair to your address (office or home). Test it for 7 days in your real work environment. If it doesn't suit you, we pick it up free of charge. If you are satisfied, keep it and pay. No risk, no questions asked.
Can I customize Master Q4?
Master Q4 comes standard in three Bondai fabric colors: Blue 67, Gray 36, and Black 02. You can choose the base from polished chrome or black PVC. For larger projects (5+ pieces), we provide custom configurations in corporate colors, other fabrics, and with a logo on the backrest. More in the materials library.
What's the warranty on Master Q4?
3-year manufacturer's warranty covers the mechanism, gas lift, and material defects. With in-house production in Medvode, we ensure spare parts even after the warranty expires.
Do you offer discounts for larger quantities or projects?
Yes. Quantity discounts apply from 5 pieces onwards. For 200+ workstations (e.g., NLB Emona — 1,200 workstations), we prepare a special offer with custom configuration, free consultation, and an extended warranty. Send an inquiry or call +386 1 361 90 28.
Is Master Q4 suitable for tall or shorter people?
Master Q4 is designed for users up to 120 kg and for most body heights. Adjustable features include seat height, tilt tension based on weight, 3D lumbar support (height and depth), and armrests. The precise range of adjustments is detailed in the technical sheet (PDF) above. For individual consultation regarding suitability, call +386 1 361 90 28 or view the chair in person at our showroom in Medvode.
Didn't find your answer?
Write to us at sales@heka-interior.com — we respond within 24 hours. For urgent projects, call +386 1 361 90 28.
Why buy from Heka
Heka Interior is more than a chair manufacturer — we are a long-term partner for your office.
7-day free trial
We deliver the chair to your address. You have a 7-day trial in your actual work environment. If it's not for you, we'll pick it up at no cost.
Slovenian in-house production
Every Heka chair is made in Medvode. Our in-house manufacturing ensures service and spare parts are available even after the warranty expires.
3-year warranty
Premium materials and in-house quality control before every shipment. Local support in Slovenian.

