Radial Engineering ProDIA compact, passive direct box that merges superb audio performance with solid, reliable construction, making it the ideal general duty direct box for both studio and stage. At its heart is a custom-wound Radial transformer. It features an exceptionally high 140 kOhm input impedance for reduction of loading, while enabling it to handle extreme signal levels at all frequencies with no distortion. This is enhanced with an internal MuMETAL® shield, protecting it against electromagnetic fields that can cause distortion in unshielded transformers. It starts with a "skeleton" made with 14-gauge steel for added rigidity, along with Radial's unique book-end design that creates a protective zone around switches and connectors. Glass-filled nylon connectors and high-cycle switches combine with the mil-spec PCB and internal RF filtering to offer durability as well as noise-free performance. A full bottom panel no-slip pad gives both mechanical isolation and electrical insulation for further protection against the rigors of professional touring.Whirlwind MK425 Mic CablePart of Whirlwind's MK Series mic cables – built with Accusonic+2 cable and fitted with Whirlwind XLR connectors, giving superior cable performance day after day, year after year. MK cables are extremely flexible, resistant to handling microphonics and reliable under the roughest conditions. Accusonic+2 technology features finely-stranded center conductors and braided shield, offering superior noise rejection.Whirlwind L20 Instrument CableThis is a premium, rugged, and practically indestructable mic cable that's part of Whirlwind's Leader Standard Series. It features the Leader plug's patented cable grip which absorbs typical straining in the field. Its flexible boot extension virtually eliminates breakage at the cable exit. Combined with Accusonic+1 cable, the Leader is among the highest quality instrument cables manufactured today.FeaturesCompact passive direct box for stage and studioAble to handle huge transients without distortionTransformer isolation eliminates noisy ground loopsPlug and play easy to use feature set - on stage or in the studioSpecificationsAudio circuit type: Passive, transformer basedNumber of channels: Single channel (mono)Frequency response: 20 Hz ~ 18.5 KHz (+/- 0.2 dB)Dynamic range: 128 dBMaximum input: +18 dB @ 20 HzTotal harmonic distortion: 0.01% from 20Hz ~ 20 kHz @ -10dBPhase deviation: 1° @ 100Hz; 8° @ 20 HzInput impedance: 140k Ohms, unbalancedOutput impedance: 150 Ohms, balancedConstruction: 14 gauge steel chassis and outer shellFinish: Durable powder-coatSize (W x H x D): 2.75" x 4.25" x1.75" (70 x 108 x 44mm)Weight: 1.2 lbs. (0.54 kg)Shipping size (W x H x D): 4.00" x 3.00" x 6.50" (102 x 76 x 165mm)Shipping weight: 0.61 kg (1.35 lbs)Power: Passive, no power requiredConditions: For use in dry locations only between 5° C and 40° CWarranty: Radial 3-year, transferableNoteAnother greatFull Compass EXCLUSIVE BUNDLE.It consists of aRadial Engineering ProDI Passive Direct Boxcombinedwith aWhirlwind MK425 25ft XLRF-XLRM Cable-PLUS- an includedWhirlwind L20 ¼" TS to ¼" TS Cable, bringing a great value at an affordable price. Contact your Sales Pro with any questions. Radial Engineering ProDI Bundle Passive Direct Box with XLR and Instrument Cable.