• axsgtr axess electronics dual buffer guitar input buffer output line driver balanced long line audio transmitter unity gain amplifier black
  • axsgtr axess electronics dual buffer guitar input buffer output line driver balanced long line audio transmitter unity gain amplifier black
  • axsgtr axess electronics dual buffer guitar input buffer output line driver balanced long line audio transmitter unity gain amplifier yellow shopify background
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DBIO™ Dual-Buffer

$169.00 USD
$169.00 USD $169.00 USD
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Colorway

Designed and hand-built (by Mario) in Canada.

  • Dual-buffer two cable method I/O
  • Discrete Class-A guitar input buffer
  • Studio grade Op-Amp output line-driver
  • Input buffer bypass/enable push-button
  • [1x] ¼" TS buffered or TRS passive thru
  • [1x] ¼" high-headroom line-driver thru,
    • either TS standard or TRS balanced Send
    up to 330ft./100m

The DBIO™ is a simple, no compromise, dual-buffer interface solution that can easily be added on, or under, any pedalboard. It combines AXESS' 25+ years of experience and knowledge in providing guitarists with consistent direct to amp tone and feel regardless of what's connected between a guitar and amp.

Included are 16 different filters. Choose one that matches the plugged-in direct to your amp's tone, the loaded down by your current pedalboard tone, or choose any other filter in between. Whichever you decide on — rest assured that the DBIO will NOT load down your guitar's signal.

The discrete Class-A circuit has an input impedance and other finely tuned characteristics which mimic that of tube amplifier inputs. It'll safeguard, strengthen, and prepare a guitar's signal for whatever follows on a pedalboard and in a rig.

It presents a guitar with a dynamic and ideal load that remains steadfast — resulting in consistent tone while still allowing the guitar to breathe and feel, as if it were plugged directly into the front of a beloved tube amp.

The high-headroom line-driver has superb capacitance drive capabilities and can drive very low input impedance loads (as low as 600 ohms) — which means extra long lengths of cable or daisy-chained passive or isolated splitters such as our IsoPlus™ or IsoFormer™ series will never be an issue.

For extra long cable runs between a pedalboard and a back-line amp, with extraordinary noise immunity, use a balanced ¼" TRS cable (up to 330ft/100m long) between the DBIO™ and either an IsoFormer RCV™ or IsoPlus™ (immediately in front of the amp).

For the benefits of buffers, see our FAQ page.

  • Input Buffer
    • Input Impedance: 1M ohm
    • Output Impedance: 100 ohm
  • Output Line-Driver
    • Input Impedance: 1M ohm
    • Output Impedance, Balanced: ≤ 40 ohm
    • Output Impedance, Unbalanced: ≤ 20 ohm
  • Dimensions: 4.43 x 2.38 x 1.24in. / 112.5 x 60.5 x 31.5mm
  • Power Requirements: 9VDC & 100mA via a 2.1 x 5.5mm barrel plug with a negative centre pin (like Boss pedals). Adapter is not included.

User Manual