Guitar Jack
Download a copy of the Guitar Jack Brochure - (658k)
iPAD
What You Can DO
  • Connect a wide range of instruments, microphones, and other audio hardware to the iPhone, iPad and iPod touch via 1/4 inch instrument and 1/8 inch stereo mic/line inputs
  • Record in in stereo, or simultaneously record your voice and instrument on separate tracks using GuitarJack with Apps like FourTrack and StudioTrack
  • Jam to the GuitarTone amps and effects App and the song tool (coming soon) in FourTrack and StudioTrack. These Apps are optimized to sound best with GuitarJack. More GuitarTone amps and effects enabled free while GuitarJack is connected. Also works well with most third party audio apps
  • Enhance the sound of your guitar with Taylor EQ, optimized for use with Taylor guitars and GuitarJack.
  • Listen to music using the stereo output on GuitarJack, which has increased drive for headphones.
Hardware
  • 1/4 inch (6.5 mm) instrument input - nickel-plated solid brass Switchcraft (10,000 MTBF) jack
  • 1/8 inch (3.5 mm) stereo mic/line input - (no phantom power is provided)
  • 1/8 inch (3.5 mm) stereo headphone/line output with increased drive for headphones
  • Dock connector designed for use without removing most cases
  • Device powered for ultimate portability - requires no batteries or power adapter
  • GuitarJack Model 2 includes a 24-bit AD/DA Converter, however only 16-bit audio playback and recording is currently possible until a firmware update becomes available. More about 24-bit
  • Sleek and rugged aluminum shell
Software
Control Panel in GuitarTone, FourTrack, StudioTrack & TaylorEQ
  • Level Control: 60 dB of continuous level control
  • Input Modes:
    • Instrument (1/4 inch) - mono - Pad, Lo-Z or Hi-Z mode
    • Mic/Line (1/8 inch) - mono, dual-mono or stereo - Pad, Normal or Boost mode
    • Both inputs - Mic/Line input on the left channel and Instrument on the right channel
  • Included Software:
    • GuitarTone and TaylorEQ are available free
    • GuitarJack enables additional amps and effects in GuitarTone, FourTrack and StudioTrack while connected
Requirements

GuitarJack Model 2 is compatible with iPhone 4, iPad 2, iPad, iPod touch - 2nd, 3rd and 4th gen.

In general, the specs are better than before, although the headphone level is now a few dB lower. (For comparison, the iPhone 4 headphone output into 16 ohms is about 45mW.)

Tech Specs

Line/Headphone Output

  • One 1/8" (3.5mm) stereo unbalanced output
  • Continuously variable gain
  • Responds to iPod volume up/down buttons
  • Specifications:
    • Max level (16ohms): 1.23Vrms (95mW) => 1.00Vrms (63mW)
      Max level (10kohms): 1.30Vrms (+4.5dBu) => 1.00Vrms (+2.2dBu)
      Freq resp: +0.02/-0.20dB => +0.05/-0.40dB
      Noise level: -95dB => -97dB
      Dynamic range: 95dB => 96dB
      THD (600mVrms): 0.0025% (-92dB) => 0.0020% (-94dB)
      Stereo crosstalk: -70dB => -88dB

Line/Mic Inputs:

  • One 1/8" (3.5mm) stereo unbalanced input
  • Selectable pad
  • Continuously variable gain
  • Specifications:
    • Noise level (RMS, A-weighted): -88dB => -96dB
      Dynamic range (RMS, A-weighted): 88dB => 96dB
      THD (-3dBFS): 0.05% (-66dB) => 0.008% (-82dB)
      Stereo crosstalk (1kHz): -86dB => -96dB

Instrument Input:

  • One 1/4" (6.5mm) mono unbalanced input
  • Selectable pad
  • Selectable impedance
  • Continuously variable gain
  • Specifications:
    • Input impedance: 470kohm
    • Maximum instrument input level (Lo-Z Pad): 6.5Vrms (+18dBu)
    • Maximum instrument input level (Hi-Z, 1% THD): 700mVrms
    • Maximum instrument input level (Hi-Z, 10% THD): 1.5Vrms
    • Maximum instrument input level (Hi-Z, 20% THD): 2.5Vrms

EIN (equivalent input noise, 20kHz BW, 150 ohms): –115dBu

Device connection

  • Apple 30-pin dock connector
  • iPhone 4 - Made for iPhone certified
  • iPad 2 and iPad - Made for iPad certified
  • iPod touch (2nd, 3rd, and 4th generation) - Made for iPod certified

Dimensions (std/metric)

  • Length 2.46"/62.5mm (including 30 pin connector)
  • Width 2.08"/53mm
  • Height 0.62"/15.8mm
  • Weight 2.25oz/65g

Materials

  • Case
    • 6061 Aluminum
    • Black nickel plated with stainless steel side panels
    • Laser etched logo
  • 1/4" connector
    • Switchcraft
    • Nickel plated Brass
    • 10,000 insertion MTBF (with switchcraft plug)
  • Electronics