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Description
GS-HA013 - Two Channel Headphone Amp with Input SwitchingBelt Pack Range The GS HA013 like other units in this range is small, robust and economical. It provides 1 off headphone amplifier in a compact format. It builds on the successful GS HA001 and adds switches to allow each input to be routed to the left ear, right ear, or both. A toggle switch turns the unit on off and a bright blue LED indicates that the unit is on and flashes when the battery is getting low. Audio input is on 2 XLRs normally feeding
Belt Pack RangeThe GS-HA013 like other units in this range is small, robust and economical. It provides 1 off headphone amplifier in a compact format.
It builds on the successful GS-HA001 and adds switches to allow each input to be routed to the left ear, right ear, or both.
A toggle switch turns the unit on/off and a bright blue LED indicates that the unit is on and flashes when the battery is getting low.
Audio input is on 2 XLRs normally feeding left & right channels of the headphone amp. A switch is provided to allow an unbalanced stereo signal input on just 1 off these XLRs to be feed to both channels of the headphone amp.
A phase reverse of the right ear facility is provided (operation by a small toggle switch).
2 off headphone jack connections are provided (in parallel) each connector is suitable for use with both A and B gauge jack plugs.
FEATURES:
• Powered from 1 x PP3 long life battery
• External DC power input
• On/off switch
• Blue power on LED Compact size with belt clip
• 2 balanced inputs on rear panel XLRs
• 1 input switchable to unbalanced stereo
• Input gain controls
• Seperate left/right headphone gain controls
• Phase reverse right ear switch
• 2 x Headphone jacks 6.35mm (A/B gauge)
• 1 x Headphone jack 3.5mm
• Headphone impedances of 100 - 2000 ohms
• Each input can be switched from left ear, right ear, or both
SPECIFICATIONS:
PROVISIONAL
BALANCED INPUT IMPEDANCE >50K Ohms
UNBALANCED STEREO INPUT IMPEDANCE >22K Ohms (On each side)
INPUT GAIN RANGE -20dBu to +8dBu
FREQUENCY RESPONSE -1dBu @ 20Hz & 20kHz
NOISE -54dBu (RMS 22-22kHz) @ Max Gain -85dBu (RMS 22-22kHz) @ Min Gain
HEADPHONE IMPEDANCE 200 Ohms to 2K Ohms
HEADPHONE LEVEL RANGE -20dBu to +10dBu
MAXIMUM HEADPHONE LEVELS
****WARNING HIGH SOUND LEVELS CAN BE HARMFUL TO YOUR HEARING****
+19dBu into 2K Ohms
+18dBu into 600 Ohms
+16dBu into 200 Ohms
2 x HEADPHONE CONNECTORS 6.35mm A & B gauge Wired in Parallel
POWER Internal: 1 x PP3 9 volt battery
External: 12 to 20V @ < 44Ma 2.5 mm Jack (inner positive)
BATTERY LIFE
BATTERY INDICATOR Steady blue LED indicates good battery Flashing blue LED indicates low battery
OVERALL SIZE 43 x 101 x 103 mm (H x W x D)
UNIT WEIGHT 380 Grams (including battery)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Great price great shoe
Size: 12, Color: Burgundy Polished Full Grain
Excellent shoe. Tried the Sebago penny loafer and the sizing was ridiculous. These J and M are sized perfectly. I’ve had them before and they wear like iron. Very comfortable right out of the box.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
One of the best shoes
Size: 9.5, Color: Black Polished Full Grain
Outstanding. Fashionable, most comfortable and good construction. No sines of use after quite some time. Highly recommended.
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Reviewed in the United States on March 21, 2026
★★★★★ 4
Quality shoe but with a slight squeak.
Size: 10 Wide, Color: Burgundy Polished Full Grain
Nice shoes with the classic Penny Loafer design. Fit was better than another brand I tried. Only reason not 5 starts is disappointment due to a slight squeak at times when walking.
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Reviewed in the United States on August 11, 2025
★★★★★ 5
Exact item ordered, quick delivery
Size: 9.5, Color: Black Polished Full Grain
I ordered these black Cole Haan penny loafers for casual wear with jeans, khakies, and even business casual with slacks and a jacket. They've always worked perfectly for these uses. The Cole Haan version is the most versatile and still meets my sophisticated look criteria. I wear a 9 1/2 M with almost all other shoes. I have found Cole Haan to run slightly wider and slightly shorter. This fit will work with thin and no socks and a little loose in width. . I'd likely order a 10 N next time. I tend to forget this but it runs consistent with me for Cole Haan. 5 stars for the shoe and service. My bad on the slightly off fit.
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Reviewed in the United States on January 8, 2025
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect.
Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
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Reviewed in the United States on July 21, 2025