Samson S-MAX MDA1 Mono Active Direct Box

Item # EFFMDA1
| Mfg # SAMDA1
| UPC # 809164018063
Our Price: $34.99
Retail: $54.99 | You Save: 36%

Samson's line of S-Max Direct Boxes combine premium sound circuitry with durable, roadworthy construction to provide high-quality signal connection solutions for live and studio applications.

The MDA1 Mono Active Direct Box is ideal for running longer signals to your mixer in high interference environments. An input attenuator lets you adapt the MDA1 to a wide variety of signals, while a ground lift switch enables you to further remove hum and buzz. The MDA1 can run on Phantom Power or a 9V battery.


  • Ideal for guitars and basses
  • Runs on Phantom Power or single 9V battery
  • 3-position Pad switch (0dB, -15dB, -30dB)
  • Ground Lift switch
  • All-metal, impact resistant enclosure

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Product Warranty Information

Tel: (631) 784-2200; Email:; Samson Website; 3 year limited warranty

  Product warrenty information

All instruments in our catalogs and on our shopping site carry the manufacturers' warranties against defects in parts and workmanship. Should a defect occur within the manufacturer's warranty period, contact us immediately.

We will be glad to help facilitate the repair or replacement as specified by the manufacturer. The manufacturer will determine whether the defect is covered under their warranty; we do not make that determination.

Please note: U.S.-based manufacturers WILL NOT honor warranties for items sold and shipped outside the U.S. Also, if a school, school district, or board of education purchases an instrument and resells it to an individual, the manufacturer considers the warranty to be void. Warranties are extended only to the original purchaser!

All warranties, stated or implied are held with the product manufacturer and they vary from item to item. Consult the documentation that came with your product for details in addition to the information below.
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Samson Technologies began in 1980 designing wireless microphone systems and has become a leader in that area. They also produce power amplifiers, mixers, wired microphones and signal processors. Samson's USB microphones are now the industry standard.
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