JBL Synthesis SDA-7120 Dynamic Class G Power Amplifier
4599,00 €
The SDA-7120 is a high-performance 7-channel Class G power amplifier designed to deliver audiophile performance and incredibly powerful dynamics. Each channel is rated to deliver 100W into 8 ohms and 140W into 4 ohms with all channels driven. With only two channels driven, 225W of power is on tap with a 4 ohm load. This combination of high power and low distortion make this the ideal solution for LCR and surround loudspeakers in JBL Synthesis immersive audio systems.
Your turnkey solution to the ultimate private cinema experience and beyond
JBL has a legacy of excellence in sound reproduction that goes back 75 years. The leading choice for music and movie industry professionals and connoisseurs alike, JBL loudspeakers and technology are featured in more than 50 percent of all movie theaters, and are used in concert venues worldwide.
The JBL Synthesis SDA-7120 delivers seven channels of dynamic Class G amplification with modern network capability, audiophile sound and exceptional flexibility. With 100 watts per channel (all channels driven), 0.002% harmonic distortion balanced and single ended inputs, RS232 and IP control as well Dante™ audio networking, the SDA-7120 is a splendid choice for a broad range of applications.
| Seven channels driven, 4Ω / 8Ω, 20Hz – 20kHz: | 140W / 100W |
| Two channels driven, 4Ω / 8Ω, 1kHz: | 225W / 140W |
| Input sensitivity 50W / 8Ω: | 800mV RMS (RCA Type), 1.6V RMS (XLR Type) |
| Input impedance: | 10kΩ |
| Mains voltage: | 110–120V or 220–240V, 50–60Hz |
| Dimensions W x H x D (including feet, control knob and speaker terminals): | 433 x 425 x 177mm |
| Weight (gross): | 19.7kg |
| Five channels driven, 4Ω / 8Ω, 1kHz: | 175W / 110W |
| Harmonic distortion, 80% power, 8Ω at 1kHz: | 0.002% |
| Signal/Noise ratio (A-wtd) 50W / 8Ω: | 105dB |
| Frequency response: | 20 – 20kHz +/-0.05dB |
| Maximum power consumption: | 1.5kW |
| Weight (net): | 18kg |
JBL is an iconic audio brand with decades of engineering heritage, known for powerful dynamics, effortless scale and a “live” presentation that translates equally well to serious two-channel music and immersive home cinema. From classic stereo loudspeakers to architectural in-wall/in-ceiling solutions and cinema-focused processors, JBL is built around clear voicing, confident control and real-room impact — without losing detail and intelligibility.
Hi-Fi Market is an authorised JBL dealer in Estonia, supplying genuine products with official manufacturer warranty and local support. We help you choose the right JBL direction for your room and goals — whether you want a classic stereo setup for music, or a properly planned home cinema / custom install system with correct channel layout, placement and subwoofer integration.
Visit our showroom near Tallinn (Tabasalu) to audition selected JBL solutions and discuss real-world setup considerations before you buy.
Build a Stereo Hi-Fi System with JBL
JBL stereo loudspeakers are often chosen for their energy, scale and engaging presentation. Start with speakers that suit your room size and listening distance, then match amplification for control, dynamics and tonal balance.
Explore compatible categories for a JBL-based stereo system:
If you want a short, well-matched recommendation, contact us — we’ll help you choose JBL speakers and amplification that fit your room and listening habits.
Build a Home Cinema / Custom Install System with JBL
JBL is also a strong foundation for immersive home theatre and custom installations — including architectural speakers, surround layouts and dedicated subwoofer support. Start with the right AV platform (receiver / processor + amplification), then build a coherent speaker system for your channel layout and room acoustics.
Explore compatible categories for a JBL-based home cinema / custom install setup:
– AV Receivers / Processors / Amplifiers
– Home Cinema Speakers
– Surround & Dolby Atmos Speakers
– Subwoofers
– Custom Install & Outdoor SpeakersFor a focused shortlist, contact us — we’ll recommend a sensible JBL cinema / custom install path for your room size, budget and upgrade plans.
FREE DELIVERY ACROSS ESTONIA (For orders over €100)
Shipments within Estonia generally arrive at the destination specified by the buyer within 3-5 business days from the entry into force of the sales contract. The contract enters into force from the moment the amount due is received into the online store's bank account.
If you wish, you can also pick up the goods yourself. The address of the salon is Kallaste 7, Tabasalu.
WE DELIVER TO ALL COUNTRIES OF THE EUROPEAN UNION.
Please fill in all fields at the checkout and we will contact you regarding shipping costs. Please make payment only after confirming the shipping costs.
OWNER OF THE ONLINE STORE
The owner of the online store hifimarket.ee is Audio Sommelier OÜ (registration number 16891515), address Kallaste, 7, Tabasalu Keskus, Estonia 76901
