Heritage Audio O.H.M Headphone Matching Amplifier
Additional Photos:
Product Videos :
Related Products
Description
Whether you want to use its balanced input, gold-plated RCA input or even its pro quality Bluetooth receiver with Burr Brown DAC, the O.H.M Amp offers three independently selectable top quality input sources for your headphones to shine. Once the input source is selected, the O.H.M Amp's impedance switch allows you to match the signal's output impedance to your headphone's particular impedance to ensure you get the most out of your them, whether they be a set of the cheapest low impedance earbuds around or one of the highest quality, audiophile-grade models.
THE HEADPHONE AMPLIFIER THAT REALLY MAKES A DIFFERENCE
The O.H.M Amp provides two different ways to connect your headphones, independent 6.35 and 3.5 mm (1/4" and 1/8") built-in jack connections on the front of the O.H.M Amp are provided so you can finally forget about noisy adapters...seriously, why hasn't anyone thought of that before?
Its discrete diamond buffers, taken from Heritage Audio's highly acclaimed R.A.M System 2000 and 5000 models, and Burr Brown Op Amps for extreme fidelity and ultra low noise, ensure that this mighty headphone amp will deliver an audiophile-grade response for whatever your headphones are.
THE STUDIO-GRADE HEADPHONE AMPLIFIER WITH AN AUDIOPHILE'S SOUL
Want full control over the output level? Heritage Audio has spared no expenses when designing the O.H.M Amp. The highly sought-after audiophile-grade Alps "Blue Velvet" output level potentiometer is the icing on the cake of this beautiful headphone amp. You can even chain multiple units together using the built-in pass-through outputs or use it as a premium Bluetooth receiver.
And to make things even more precise, an external high voltage, low-noise 30V power supply has been specifically designed for incredible power delivery at any impedance, ensuring an adequate dynamic range, signal to noise ratio and an ultra low harmonic distortion performance.
Finally, no matter what you're going to use the O.H.M Amp for, its convenient rubber feet will allow it to be used as an elegant tabletop device or the drilled 5/8 hole on its bottom will allow you to mount it on any microphone stand in the studio.
Features
• The O.H.M Amp is the first ever impedance headphone matching amplifier that accommodates to your headphones to bring them to their full potential• Full connectivity including independently selectable balanced, gold-plated unbalanced and Bluetooth inputs
• Audiophile-grade output level Alps "Blue Velvet" potentiometer
• Discrete diamond buffers as seen on Heritage Audio's high-end R.A.M System models
• Burr Brown Op Amps for extreme fidelity and ultra low noise response
• Pro quality Bluetooth receiver (codecs: APTX, APTX LL, AAC, APTX HD and SBC) with Burr Brown DAC
• Independent 6.35 and 3.5 mm (1/4" and 1/8") jack connectors to forget about noisy adapters
• Thru output for chaining several O.H.M Amps or using it as a top grade Bluetooth receiver
• External low-noise, high voltage power supply (30V) for incredible power delivery at any impedance, ensuring an adequate dynamic range, signal to noise ratio and an ultra low harmonic distortion performance
Media
Q & A
Reviews

Protect your investment with the Long & McQuade Performance Warranty
A warranty can be a very important factor when making a buying decision. Because repairs can be very expensive in terms of parts and labour costs, manufacturers usually only provide one year limited warranties that generally only cover items that malfunction due to a manufacturer’s defect. With an important purchase such as a musical
instrument or piece of studio gear, however, many people want to have the peace of mind in knowing that their investment will be protected should the product no longer be performing at 100%.
Because of this, Long & McQuade provides our customers with a FREE one-year Performance Warranty on most of our products. The Long & McQuade Performance Warranty supplements the manufacturer’s warranty to ensure that our customers receive complete “no hassle” warranty coverage within their first year.
How does the Long & McQuade Performance Warranty differ from most manufacturers' warranties?
- Performance Guarantee: Normal wear and tear is covered, so your product will be performing as well as the day you purchased it for the entire duration of the coverage. Band and Orchestral Performance Warranty does not include replacing pads or cleaning for woodwind instruments, unless deemed necessary by our repair staff. Ultrasonic cleaning for brass instruments will be provided if deemed necessary by our repair staff, but is not routinely offered under the Performance Warranty.
- Product Replacement: If your product cannot be fixed or costs too much to fix, we will replace it with the equivalent model for no additional charge. If this is not possible, a full refund will be provided.
- No Lemon Policy: Your product will be replaced should the same problem occur multiple times.
- Convenient: Easy drop off and pick up of the product at any Long & McQuade location.
- Guitar Setup: Guitars purchased at Long & McQuade come with 1 free setup, to be redeemed within 1 year for new guitars and 90 days for used guitars.
- Loaners Available: A loaner product may be given while the product is being repaired.
- Power Surge Protection: Your product is covered even if damaged from a power surge.
- Accessory Coverage: Any peripheral devices or accessories that come with your product (i.e. foot pedal, case) are also covered.
- Commercial Use Coverage: Music and recording professionals who purchase gear for “heavy-use” commercial purposes will still be covered.
Long & McQuade reserves the right to restrict the purchase of additional years of Performance Warranty. Used products come with a 3-month Long & McQuade Performance Warranty. Some products (i.e. computers, software, cymbals and other items) are covered only by the manufacturer‘s warranty. Consumables (i.e. strings, reeds, drum sticks, batteries, tubes, cross faders) are excluded as they are designed to be replaced. Cosmetic Damage, Accidental Damage, or problems caused by Humidity or Temperature Issues are not covered. Speakers damaged by overpowering are generally not covered. Our coverage does not provide compensation for loss of use. As of June 2018 the Performance Warranty is no longer transferable. The warranty is only valid in Canada.
Purchasing additional years of coverage
Some manufacturers provide warranties for longer than 1 year; however, these are usually limited warranties that do not provide the same coverage as the Long & McQuade Performance Warranty. Customers interested in more complete and convenient (but not necessarily longer) coverage are still able to purchase additional years of the Performance Warranty.
If you are interested in receiving this coverage for longer than one year, you have the option of purchasing additional years of the Performance Warranty. The pricing is as follows:
- NEW products: Starting at 4% of the current new selling price to double the warranty from 1 year to 2 years. Starting at 4% for each additional year.
- USED products: Starting at 4% of the current new selling price to increase the warranty from 3 months to 1 year. Starting at 4% for each additional year.
- GUITARS: 4% of the current new selling price to double the warranty from 1 year to 2 years. 4% for each additional year. $45 maximum. An additional free setup is not included with additional purchased years of Performance Warranty.
- BAND and ORCHESTRAL instruments: 4% of the current new selling price to double the warranty from 1 year to 2 years. 4% for each additional year.

