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W2IHY Technologies
W2IHY Technologies
£379.96 (£316.63 exc. VAT)
Free UK delivery when ordering this product
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Product code:W2-EQPLUS
Brand:W2IHY Technologies

The EQplus is designed to be directly attached to either your micrphone (Icom, Yaesu or Kenwood) or to the W2IHY’s 8-band EQ (W2EDGE), or to your Kenwood, Icom or Yaesu HF transceiver. The EQplus provides Audio Compression, Downward Expansion, Effects and connectivity to three radios. There is a choice of three different mic impedances, 200, 600 and 50k Ohms, and there is a 5V supply for mics that require this such as Icom HM-12, HM-36 and SM-6 and Heil HMI and ICM which can be plugged in direct to the unit.

Features include a LED bar graph which indicates pk-to-pk audio levels, equaliser with separate Bass and Treble controls and Compressor /Downward Expander. There are two effects in the Effects Processor, Effect 1 emulates dampening sound reflecting multiple time form a surface, and Effect 2 emulates sound reflecting once from a surface plus there is a delay control which controls the speed delay up to 80 milliseconds

* Audio compression * Downward expansion
* Mic input impedance 200/600 Ohms or High
* Headphone monitor * LED level indicators
* Input: 8-pin, phono or Aux * Supply: 12V DC
* Size 228 x 100 x 130mm
* Weight 530g

Product Specifications

Dual-Band Audio Equalizer

• Bass & Treble independently adjustable +/- 12 dB

• Equalizer bypass switch (on/off)

Audio Compressor Adjustable compression control

• Wideband frequency response

• Extremely low distortion

• Compressor bypass switch (on/off)

Downward Expander

• Sophisticated technology for background noise reduction

• Adjustable threshold control


• Fixed limiting manages internal signal level

• Harmonious relationship with compressor

Effects Processor

• Acoustic enhancement for brighter, smoother top-end

• Independent delay & level controls

• 3-way switch: effect one, effect two, effects off

Audio Input Connectors

• The famous W2IHY I-K-Y 8-pin mic jack/selector switch

• RCA phono jack

• DIN (aux input)

Input Impedance Select

• 3-way switch: 600 ohm, 200 ohm, Hi-Z

Input Gain Control

• Simple, quick input gain adjustment

• Low noise pre-amp

• Wide-range for mic-level & line-level signals

Mic Power

• Provides 5VDC to mic cartridge

• On/off switch

Output Level Control

• Set precise drive level to your radio

• Mic-level output

• Line-level output

Three Audio Output Ports

• Interface up to 3 radios

• Rear panel port selector switch

• Low-Z balanced and unbalanced output

• Hi-Z output option

• 5-pin DIN connectors

• Pre-wired cable assemblies available (optional)

LED Bar Graph

10-segment multi-color display

• Monitors internal audio peak-to-peak levels

• Displays compressor action

• Indicates onset of limiting

PTT Input (RCA jack)

• Adds push to talk control for non-ptt mics

• Can be used with foot switch, etc.

Headphone Monitor

• High-quality audio amplifier

• ¼” rear panel stereo jack

• Front panel monitor level control

Operating Environment

• Designed specifically for amateur radio use adjacent to transmitters and rf amplifiers

• Extensive RFI protection & isolation from hum and ground loops


• Steel enclosure

• Black finish with white lettering. Attractive in any shack

• Dimensions: 8-7/8” X 5” X 4”


• 7-14V (100ma) wall transformer provided

• LED indicator and on/off switch


• 30 day no questions asked money back guarantee

• 3 year parts and labor warranty

• Free technical support