GuitarJack Model 2

GuitarJack Model 2 is a high quality audio interface that connects a wide range of instruments, microphones, and other audio hardware to the iPhone 4, iPad 2, iPad, and iPod touch via 1/4 inch instrument and 1/8 inch stereo mic/line inputs. GuitarJack’s dedicated 1/8-inch stereo analog line/headphone output offers increased drive for headphones.

GuitarJack Advantages

GuitarJack has several advantages over other device powered dock connecting audio accessories, including stereo mic/line-input, configurable Hi-Z or Lo-Z 1/4″ instrument input, simultaneous instrument and microphone recording with both inputs when used with apps like FourTrack and StudioTrack that support those features, software controllable input level control with 60 dB of gain plus 12 dB pad for 72 dB of adjustment, stereo line out/headphone jack with more drive than the iPhone built-in headphone jack, a 24-bit AD/DA converter, and the highest quality sound.

What You Can Do with GuitarJack

  • 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 mono, 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 in FourTrack (now) and StudioTrack (soon). More GuitarTone amps and effects enabled free while GuitarJack is connected. Also works well with most third party audio apps like GarageBand.
  • 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 Features

  • 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
  • Sleek and rugged aluminium shell
Tech Specs »

Line/Headphone Output

  • One 1/8″ (3.5mm) stereo unbalanced output
  • Continuously variable gain
  • Responds to iPod volume up/down buttons
  • Specifications:
    • Maximum output level (into 32ohms): 1.00Vrms (63mW)
    • Maximum output level (into 10kohms): 1.00Vrms (+2.2dBu)
    • Frequency response (20Hz to 20kHz): +0.05/-0.40dB
    • Noise level (RMS, A-weighted): -97dB
    • Dynamic range (RMS, A-weighted): 96dB
    • THD (600mVrms into 10kohms): 0.0020% (-94dB)
    • THD (0dBV into 10kohms): 0.0036% (-89dB)
    • THD (0dBV into 32ohms): 0.026%
    • Stereo crosstalk (100Hz to 10kHz): -88dB

Line/Mic Inputs:

  • One 1/8″ (3.5mm) stereo unbalanced input
  • Selectable pad
  • Continuously variable gain
  • Specifications:
    • Minimum input impedance: 4.7kohm
    • Maximum input level (pad on, line-input): 6.5Vrms (+18dBu)
    • Minimum input level (boost on, full-scale mic): 7.5mVrms (-40dBu)
    • Frequency response (40Hz to 20kHz): +0.06/-0.65dB
    • Noise level (RMS, A-weighted): -96dB
    • Dynamic range (RMS, A-weighted): 96dB
    • THD (-3dBFS): 0.008% (-82dB)
    • Stereo crosstalk (1kHz): -96dB
    • EIN (equivalent input noise, 20kHz BW, 150 ohms): -115dBu

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

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 2.55″/64.8 mm (including-30 pin connector)
  • Length 2.24″/56.8 mm (not including 30-pin connector)
  • Width 2.30″/58.5 mm
  • Height 0.61″/15.6 mm
  • 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
    • RoHS certified components

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