# Pyle Premium Direct Injection Audio Box - Passive DI Unit Hum Eliminator with Input Attenuator, 1/4'' Connector to XLR, Black (1-Pack) **Brand:** Pyle **SKU:** pvs6362 **ASIN:** B0H6K7P977 **Canonical URL:** https://crowcrowcrow.com/p/direct-injection-audio-box-passive-unit-hum-eliminator-input-attenuator-connect-guitar/pvs6362 **Category:** electronics **Subcategory:** Products **Availability:** in_stock **Price (INR, all-inclusive):** ₹3,329 **Discount:** 11% **Customer rating:** 4.50/5 from 3,579 ratings ## Description Pyle PDC21 passive DI box connects instruments like guitars and basses to audio systems, eliminating hum with its ground lift switch. Features 1/4” input, XLR output, and switchable attenuation. Heavy-duty steel chassis ensures durability for live shows or studio use. ## Highlights - Eliminates Hum and Buzz — Ground lift switch effectively removes unwanted noise from stage setups or recording environments, ensuring a pure audio signal for your guitar, bass, or keyboard. - Handles Wide Input Signals — Switchable input attenuation (0dB, -20dB, -40dB) allows the DI box to manage various input signal levels without distortion, from sensitive instruments to line-level sources. - Durable Steel Chassis — Constructed with a heavy-duty 14-gauge steel chassis, this DI unit is built to withstand demanding performance environments, ensuring long-lasting reliability for musicians. - Versatile Connectivity — Features a 1/4” instrument input, parallel link out for amp connection, and a balanced XLR output for seamless integration with PA systems and recording mixers. ## Key features - DEVICE CONNECTOR: Provides a variety of DI solutions with its inch device connector live sound recording applications. It allows you to easily connect keyboards, guitars & outboard signal processors - PROVIDES CLEAN AUDIO: Useful for connecting unbalanced signals from sources submixers, effects processors & keyboards to a main PA or recording mixer. This impedance transformer also has buzz & hum cancellation ability - EASILY CONNECTS INSTRUMENTS: Getting the signal of a musical instrument to the PA system is easier with this direct box. Just connect the electric bass, guitar, keyboard or other processors to the ground lift adapter & enjoy pure & clean audio - VERSATILE DIRECT BOX: Aside from music instruments, the DI unit can also be connected to the line output of a boom box or consumer stereo system if you want to sample old records. The hum eliminator is used for connecting unbalanced devices as well - DURABLE MATERIAL: Made of all steel chassis, this direct injection box is guaranteed to last for a long period of time. Aside from its heavy duty construction, it is also a convenient tool for musicians as it can power up to 10 effects pedals ## Why choose this product **Professional Signal Integrity** — The Pyle PDC21 passive DI box ensures your instrument's signal remains clean and noise-free, even over long cable runs. Its impedance matching and hum elimination capabilities are crucial for live sound and studio recording. Imported from authorized US retailers, it offers a reliable alternative to local options that may lack these advanced features or robust construction. **Ideal for Guitarists & Bassists** — This DI box is perfect for musicians playing electric guitar, bass, or keyboards who need to connect directly to a PA system or mixer. It's also useful for DJs or sampling old records. Skip it if you require phantom power for active pickups or need multi-channel stereo input; this is a single-channel passive unit. ## How to use 1. Plug your electric guitar, bass, keyboard, or other unbalanced audio source into the 1/4'' instrument input jack on the Pyle PDC21 DI box using a standard instrument cable. — Connect Instrument 2. Use a balanced XLR cable to connect the DI box's XLR output to a microphone input on your PA system mixer or audio interface. You can also use the parallel link out to connect to an amplifier simultaneously. — Connect to Mixer/PA 3. If experiencing signal overload or distortion, engage the input attenuation switch to -20dB or -40dB. If you hear hum or buzz, activate the ground lift switch to eliminate the noise. — Adjust Attenuation & Ground Lift ## Product details | Field | Value | |---|---| | Input Type | 1/4'' Instrument Input | | Output Type | Balanced XLR Output, Parallel Link Out | | Attenuation Levels | 0dB, -20dB, -40dB | | Power Source | Passive (No external power or battery required) | | Primary Use | Connecting instruments (guitar, bass, keyboard) to PA systems or mixers | | Signal Conversion | Unbalanced to Balanced XLR | | Hum Cancellation | Ground Lift Switch | | Cost per use | This unit is a durable tool, not a consumable. Its value is in long-term performance and signal integrity. | | Shelf life after opening | N/A (Durable electronic device) | | Reapplication math | N/A (Durable electronic device) | | Contraindications | Not suitable for active pickups requiring phantom power; not a stereo DI box. | | Allergens / common irritants | N/A (Electronic device) | | Brand | Pyle | | Model Number | PDC21.5 | | Color | Black | | Material | 14-gauge Steel Chassis | | Dimensions (L x H x W) | 5.3 cm x 12.8 cm x 7.9 cm (2.1 in x 5.0 in x 3.1 in) | | Weight | 0.33 kg (0.72 lb) | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How to buy an original Pyle Direct Injection Audio Box in India? Purchase the Pyle PDC21 DI box from crowcrowcrow.com. It is sourced directly from authorized US retailers, factory-sealed, and imported per order. All customs duties and GST are included in the listed INR price, and delivery is tracked via ExpressBox, ensuring you receive an authentic product. ### What is the difference between an active and a passive direct box? A passive direct box, like the Pyle PDC21, uses a transformer and requires no external power, making it ideal for high-output instruments like electric guitars and basses. An active direct box contains a powered preamp, often using phantom power or batteries, and is better suited for low-output passive pickups. Choose based on your instrument's output level and power availability. ### Do I need a direct box if my mixer already has instrument inputs? Yes, a direct box converts a high-impedance unbalanced instrument signal into a low-impedance balanced signal. This allows for longer cable runs to your mixer or recording interface without signal loss or noise. The Pyle PDC21 also includes a ground lift switch to eliminate hum, improving overall signal integrity, especially with long cable setups. ### Can I use the Pyle PDC21 DI box with my guitar or bass in India? Absolutely. The Pyle PDC21 is designed for electric guitars, basses, and keyboards. Its 1/4'' input connects directly to your instrument, and the balanced XLR output connects to your PA system or mixer. The passive design means no batteries or phantom power are needed, making it a straightforward solution for Indian musicians. ### Does the Pyle PDC21 DI box eliminate ground loop hum? Yes, the Pyle PDC21 features a ground lift switch specifically designed to eliminate ground loop hum and buzz that can occur in stage setups or when connecting multiple audio devices. This ensures a cleaner, more professional audio signal from your instrument to the PA or recording mixer. ### What is the Pyle PDC21 DI box made of? The Pyle PDC21 DI box is constructed with a heavy-duty 14-gauge steel chassis. This robust build ensures durability and protection against the rigors of live performance environments, making it a reliable tool for musicians and audio engineers. ### Can I connect a keyboard or DJ mixer to the Pyle PDC21 DI box? Yes, the Pyle PDC21 is versatile and can connect keyboards, DJ mixers, or even the line output of a boom box or consumer stereo system. Its impedance matching and signal conversion capabilities make it suitable for various unbalanced audio sources needing to connect to a balanced PA or recording mixer. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0H6K7P977-0.webp 2. https://images.crowcrowcrow.com/B0H6K7P977-3.webp 3. https://images.crowcrowcrow.com/B0H6K7P977-6.webp 4. https://images.crowcrowcrow.com/B0H6K7P977-9.webp 5. https://images.crowcrowcrow.com/B0H6K7P977-12.webp 6. https://images.crowcrowcrow.com/B0H6K7P977-15.webp --- Source: https://crowcrowcrow.com/p/direct-injection-audio-box-passive-unit-hum-eliminator-input-attenuator-connect-guitar/pvs6362 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 6-8 days. Prices are all-inclusive (duties + GST).