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American Recorder Technologies Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO LEVEL & IMPEDANCE INTERFACE
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Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO LEVEL & IMPEDANCE INTERFACE

$395

In stock at americanrecorder.com

The Henry Engineering Matchbox HD converts between consumer -10 dBV unbalanced and pro +4 dBm balanced 600-ohm audio in both directions. It uses four independent amplifiers, offers a 100 dB signal-to-noise ratio with 22 dB of headroom, and has an internal AC supply. It suits studios connecting computer sound cards and recorders to pro consoles.

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Highlights

  • Bi-directional stereo level and impedance conversion
  • Four independent amplifiers with adjustable outputs
  • 100 dB S/N, 22 dB headroom, 122 dB dynamic range
  • HI GAIN mode for computer sound cards
  • Internal AC power supply; 1/3 rack width

Best for

A studio that needs clean interfacing between consumer and pro gear.

Things to consider

  • Analog only; digital sources need a different box.
  • Rack mounting hardware details are cut off in the listing.
  • It is a specialist tool; simpler needs might be met by a basic DI.

Key specs

Price$395
Conversion-10 dBV unbalanced to +4 dBm balanced, both ways
S/N ratio100 dB
Headroom22 dB
PowerInternal AC
Size1/3 rack width

Our take

A proven, clean interface box for mixed-gear studios.

Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO… at a glance

BrandAmerican Recorder Technologies
Price$395
TypeBroadcast
AvailabilityIn stock at americanrecorder.com
CouponSave10
ReturnsEligible items can be returned or exchanged within 30 days of delivery with a return…

Price check

At $395, the Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO… is toward the top of American Recorder Technologies's price range, whose 1,531 listed products run $0.39 to $10,800.

Similar items from other brands we track run $54.99 to $249.98.

Buying from American Recorder Technologies

American Recorder Technologies is a go-to for studio techs, audiophiles, and reel-to-reel hobbyists who need hard-to-find parts like leader tape, splicing tape, reel boxes, hold-downs, and connector cleaning tools. Casual buyers looking for a single USB cable can shop anywhere. Check whether the item ships via USPS or UPS Ground only, since cleaning kits with gas dusters can't go by air.

Shipping
Orders before 12 p.m. PST typically ship the same day, with some cables and LED signs taking 2 to 3 business days; costs are calculated at checkout. Chemicals and gas cartridges ship UPS Ground only, and damage claims must be filed with the carrier.
Returns
Eligible items can be returned or exchanged within 30 days of delivery with a return authorization, complete and in original packaging, shipped prepaid. A minimum 20% restocking fee may apply for damage or missing parts.
Warranty
General ART products have a limited one-year warranty, and ART audio and video cables have a limited lifetime warranty, both for the original owner. Batteries, chemicals, cleaning products, light bulbs, and tapes carry 30 days, and third-party products follow their maker's warranty.
International
Not all products ship internationally; contact the company for availability and shipping costs. Customers pay any customs, duties, and taxes.

Read our full American Recorder Technologies review and shop all products →

Frequently asked questions

What does the Matchbox HD do?
It matches levels and impedance between consumer gear and pro audio equipment in both directions, removing hum and distortion from mismatches.
Does it use a wall-wart?
No. It has an internal AC power supply.
How much is the Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO…?
American Recorder Technologies lists it at $395 on americanrecorder.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO…?
American Recorder Technologies's store-wide code Save10 can be entered at checkout on americanrecorder.com. American Recorder Technologies sets the discount, and some items or sale prices may be excluded.
What is American Recorder Technologies's return policy?
Eligible items can be returned or exchanged within 30 days of delivery with a return authorization, complete and in original packaging, shipped prepaid. A minimum 20% restocking fee may apply for damage or missing parts.
How long does American Recorder Technologies take to ship?
Orders before 12 p.m. PST typically ship the same day, with some cables and LED signs taking 2 to 3 business days; costs are calculated at checkout. Chemicals and gas cartridges ship UPS Ground only, and damage claims must be filed with the carrier.
Does the Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO… come with a warranty?
American Recorder Technologies's published warranty terms: General ART products have a limited one-year warranty, and ART audio and video cables have a limited lifetime warranty, both for the original owner. Batteries, chemicals, cleaning products, light bulbs, and tapes carry 30 days, and third-party products follow their maker's warranty.
Where can I buy the Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO…?
The Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO… is sold directly by American Recorder Technologies on americanrecorder.com. The Shop now button on this page goes straight to the product there, and code Save10 can be applied at checkout.
Is the Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO… in stock?
Yes. American Recorder Technologies lists it as in stock on americanrecorder.com as of our latest check. Stock and prices refresh throughout the day.
Is American Recorder Technologies a legit store?
American Recorder Technologies is a go-to for studio techs, audiophiles, and reel-to-reel hobbyists who need hard-to-find parts like leader tape, splicing tape, reel boxes, hold-downs, and connector cleaning tools. Casual buyers looking for a single USB cable can shop anywhere. Check whether the item ships via USPS or UPS Ground only, since cleaning kits with gas dusters can't go by air. Our full American Recorder Technologies review covers shipping, returns and what to check before ordering.
Is the Henry Engineering THE MATCHBOX HD™ BI-DIRECTIONAL STEREO… expensive?
At $395 it is toward the top of American Recorder Technologies's range ($0.39 to $10,800 across 1,531 products), and similar items from other brands run $54.99 to $249.98.

More from American Recorder Technologies

Shop all American Recorder Technologies →

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