Super nice Electro Harmonix Octave Multiplexer with box, no power supply or paperwork.

Unit was fully tested and works as it should with no issues.

Internal battery wires are disconnected and needs to be powered by power adaptor. Wires can be reattached.

The Electro-Harmonix Octave Multiplexer is an analog, monophonic sub-octave generator pedal that creates a deep tone exactly one octave below the note you play.

Key Features & Specs

• Type: Analog, monophonic (works on single notes only; struggles with chords)
• Bypass: True bypass
• Controls
• • Blend Knob: Adjusts the mix between your dry input signal and the sub-octave effect.
  • High Filter Knob: Shapes the higher-order harmonics of the sub-octave (turning it clockwise adds a gnarly, fuzzy/synth texture).
  • Bass Filter Knob: Shapes the fundamental and lower-order harmonics.
  • Sub Switch: Engages or bypasses the Bass Filter for deeper or higher-register response.
• Power: 9V battery or optional 9V power supply.
• Dimensions: 4.0" (W) x 4.75" (L) x 2.25" (H)

Payment required within 24 hours. Buyer also pays shipping and insurance.

I ship worldwide, please understand the shipping cost in an estimate and there may be additional cost for international shipping.

Please ask all questions if you have any concerns prior to bidding.

Please understand that if it is not in the description, then it is not included.

Check out my other listings. New stuff added on a weekly basis.

The Guitar Shop Phone Number 419-332-8788

Shop hours, Wednesday, Thursday, Friday 12 to 6pm Saturday, 10 to 2pm

Closed Sunday, Monday, Tuesday.

International Shipping is a flat rate estimate. Subject to change

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Since my shop is closed on Sunday, Monday and Tuesday, if you purchase the item late on a Saturday and want it fast, let me know am I will try to get it sent out on a Monday, if you don't mind, then I will get it shipped out when I get back in my shop on Wednesday. Thanks

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