--- product_id: 809052622 title: "DC21 Passive DI Box for Guitar & Bass, Direct Box with Hum Eliminator, Input Attenuator, Ground Lift, 50kΩ Impedance, 1/4\" to Balanced XLR Out for Live/Studio (DC21)" price: "€ 38.52" currency: EUR in_stock: true url: https://www.desertcart.gr/products/809052622-dc21-passive-di-box-for-guitar-and-bass-direct-box store_origin: GR region: Greece --- # 50kΩ impedance for perfect tone match Dual outputs for stage & studio Ground lift eliminates hum & buzz DC21 Passive DI Box for Guitar & Bass, Direct Box with Hum Eliminator, Input Attenuator, Ground Lift, 50kΩ Impedance, 1/4" to Balanced XLR Out for Live/Studio (DC21) **Price:** € 38.52 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your sound, silence the noise — be heard like never before! ## Quick Answers - **What is this?** DC21 Passive DI Box for Guitar & Bass, Direct Box with Hum Eliminator, Input Attenuator, Ground Lift, 50kΩ Impedance, 1/4" to Balanced XLR Out for Live/Studio (DC21) - **How much does it cost?** € 38.52 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/809052622-dc21-passive-di-box-for-guitar-and-bass-direct-box) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Noise-Free Performance:** Professional ground isolation and hum eliminator deliver pure, interference-free sound every time. - • **Versatile Connectivity:** Balanced XLR and 1/4'' outputs let you seamlessly switch between live gigs and studio sessions. - • **Dual Output Convenience:** Thru jack sends unbalanced signal to amps while balanced XLR feeds mixers simultaneously—no compromises. - • **Universal Compatibility:** Works flawlessly with guitars, basses, keyboards, and more—your all-in-one audio solution. - • **Pristine Tone Preservation:** 50kΩ impedance transformer ensures zero signal loss and crystal-clear high frequencies. ## Overview The PRORECK DC21 Passive DI Box is a professional-grade direct box designed for guitar and bass players seeking flawless impedance matching and lossless sound reproduction. Featuring a 50kΩ input impedance, ground lift switch, and built-in hum eliminator, it ensures clean, high-fidelity audio free from hum and buzz. Dual outputs (1/4'' and balanced XLR) provide versatile connectivity for both live stage performances and studio recording, making it an essential tool for musicians demanding pristine tone and reliable noise isolation. ## Description PRORECK DC21 Passive DI Box for Guitar & Bass, Direct Box with Hum Eliminator, Input Attenuator, Ground Lift, 50kΩ Impedance, 1/4" to Balanced XLR Out for Live/Studio ## Features - Professional Impedance Matching, Lossless Original Sound Reproduction Built-in 1/4'' impedance transformer enables precise signal and impedance matching between instruments and mixers/amplifiers, completely solving tone loss caused by impedance mismatch and long cable transmission. It restores the Hi-Fi original sound of guitars, basses and other instruments with no loss of high-frequency details. - Balanced/Unbalanced Bidirectional Conversion, Professional Adaptation for All Scenarios Efficiently converts unbalanced line/instrument level signals to low-impedance balanced mic level signals, supporting dual outputs of 1/4'' connector and balanced/unbalanced XLR. Easily connect to professional audio equipment such as PA systems, recording mixers and stage amplifiers, meeting the needs of live performances, studio recording and other scenarios. - Professional Ground Isolation, Thoroughly Eliminate Hum & Buzz Equipped with a ground lift switch and professional isolation transformer, it physically isolates input and output signals, effectively eliminating current hum, buzz and background noise caused by ground loops. Achieve clean and pure audio transmission without noise interference during live shows or recording. - Thru/Out Dual Outputs, Dual Use for Stage Performance & Studio Recording Comes with a Thru direct output jack, which can transmit unbalanced signals to stage amplifiers and balanced signals to mixers/PA systems at the same time. It takes into account both on-stage live performance monitoring and professional recording pickup, meeting the dual needs of musicians for live shows and studio production with one unit. - Multi-Functional Universal Design, Compatible with All Kinds of Audio Devices Perfectly compatible with various musical instruments and audio devices including guitars, basses, keyboards, effect processors and submixers; it can also be connected to boom boxes and consumer stereo systems for vinyl record sampling. This passive DI box is a professional audio accessory for stage, studio and daily music creation. ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #2,504 in Musical Instruments ( See Top 100 in Musical Instruments ) #4 in Recording Signal Direct Boxes | | Customer Reviews | 5.0 out of 5 stars 19 Reviews | ## Images ![DC21 Passive DI Box for Guitar & Bass, Direct Box with Hum Eliminator, Input Attenuator, Ground Lift, 50kΩ Impedance, 1/4" to Balanced XLR Out for Live/Studio (DC21) - Image 1](https://m.media-amazon.com/images/I/71AglnU-84L.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.gr/products/809052622-dc21-passive-di-box-for-guitar-and-bass-direct-box](https://www.desertcart.gr/products/809052622-dc21-passive-di-box-for-guitar-and-bass-direct-box) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-23*