--- product_id: 120766745 title: "Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver)" brand: "gustard" price: "KD 577.34" currency: KWD in_stock: false url: https://www.desertcart.com.kw/products/120766745-gustard-h20-opamp-dual-lm49720-full-balanced-class-a-headphone store_origin: KW region: Kuwait --- # Full balanced Class A architecture 6000mW max output power Ultra-low distortion <0.0005% Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver) **Brand:** gustard **Price:** KD 577.34 **Availability:** ❌ Out of Stock ## Summary > 🎶 Elevate your audio game with Gustard H20 — where power meets precision in perfect harmony. ## Quick Answers - **What is this?** Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver) by gustard - **How much does it cost?** KD 577.34 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/120766745-gustard-h20-opamp-dual-lm49720-full-balanced-class-a-headphone) ## Best For - gustard enthusiasts ## Why This Product - Trusted gustard brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerhouse Output:** Delivers up to 6000mW distortion-free power for headphones from 32Ω to 600Ω, ensuring immersive, crystal-clear sound. - • **Dual LM49720 Op Amps:** Utilizes two independent dual op amps per channel for symmetrical, high-precision amplification. - • **Versatile Connectivity:** Simultaneous single-ended RCA and balanced XLR inputs with separate preamp outputs for seamless integration with active speakers or downstream gear. - • **Precision Volume Control:** Matrix relay volume system guarantees perfectly matched 4-channel volume levels, delivering consistent soundstage balance. - • **Pure Balanced Signal Path:** Native full-balanced design from input to output eliminates noise and signal loss, preserving pristine audio fidelity. ## Overview The Gustard H20 is a premium dual LM49720 full balanced Class A headphone amplifier and preamplifier, engineered for audiophiles and professionals. Featuring a native full-balanced architecture, ultra-low distortion (<0.0005%), and a maximum output power of 6000mW into 32Ω, it supports both single-ended and balanced inputs with dedicated preamp outputs. Its advanced matrix relay volume control ensures flawless channel matching, making it a top-tier choice for high-fidelity headphone listening and audio system integration. ## Description Product description Color:Black Specification Analog Input: RCA One group of standard input. Sensitivity：2Vrms(Typical) ；Impedance:47kΩ XLR Two groups of balanced inputs. Sensitivity：+18dBu(Typical) ；Impedance:10kΩ Preamp (Rear Output) Output(XLR)： Output Impedance:100Ω Frequency response：20-80kHz /-0.1dB SNR：>122dB Crosstalk：-120dB @ 1kHz THD+N：120dB Crosstalk：-120dB @ 1kHz THD+N：<0.0005% @6000mW into 32Ω LOAD IMD：<0.0005% @6000mW into 32Ω LOAD Maximum distortionless output power:6000mW into 32Ω LOAD Maximum output power:12000mW @32Ω (THD=1%) Load power： 64Ω 5360mW 150Ω 2680mW 300Ω 1340mW 600Ω 670mW Others： Power supply：AC 115V/230V 50/60Hz Power consumption：about 50W Size：330mm * 65mm * 260mm Weight：7Kg（including Packing boxes） ## Features - Each channel uses two independent amplifying units to form a symmetrical output line, Single-ended and balanced output are at the same time ; - The front class consists of a single 4-way amplifier circuit, using two LM49720 dual op amp; - Have a separate pre-stage output, can be connected to active speakers or pure after the class; - The use of matrix relay volume, effective to ensure that 4-way volume unanimous; - Native full-balanced architecture, from input to volume control to before and after zoom, without any conversion, complete four-way architecture; ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07L1Q7WQN | | Date First Available | December 1, 2018 | | Is Discontinued By Manufacturer | No | | Item Weight | 15.4 pounds | | Manufacturer | Gustard | | Package Dimensions | 12.99 x 10.24 x 2.56 inches | ## Images ![Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver) - Image 1](https://m.media-amazon.com/images/I/61-3wKS6WHL.jpg) ![Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver) - Image 2](https://m.media-amazon.com/images/I/71X2VBPXWUL.jpg) ![Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver) - Image 3](https://m.media-amazon.com/images/I/51kIOeC90jL.jpg) ![Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver) - Image 4](https://m.media-amazon.com/images/I/41o51WRHQFL.jpg) ![Gustard H20 Opamp Dual LM49720 Full Balanced Class A Headphone Amplifier Pre Amplifier (Silver) - Image 5](https://m.media-amazon.com/images/I/61tnl4B4n0L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.kw/products/120766745-gustard-h20-opamp-dual-lm49720-full-balanced-class-a-headphone](https://www.desertcart.com.kw/products/120766745-gustard-h20-opamp-dual-lm49720-full-balanced-class-a-headphone) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-19*