Skip to content

FIFINE K669C review

The least expensive XLR microphone here, and one of only two that publish a sensitivity figure: 16 mm (0.63 in) diaphragm, −43 dB, 130 dB maximum SPL, an all-metal body and a metal tripod in the box.

What it amounts to The cheapest XLR microphone here and one of the few that publishes anything measurable: a diaphragm size, a sensitivity and a maximum SPL. It does not publish its polar pattern, and the cable is a separate purchase.

Three figures on a $36.99 microphone: a 16 mm (0.63 in) diaphragm, −43 dB sensitivity and a 130 dB maximum SPL. That is more measurable detail than the microphone six times its price on this same shelf, which offers extremely low self-noise and high SPL handling capability and no numbers at all.

The sensitivity is the useful one. It describes how much signal the capsule makes, and therefore how much gain the interface has to add — and gain is where hiss comes from. FIFINE puts the trade in plain terms in its own bullet: quiet passages stay clear of the noise floor, loud peaks do not clip easily.

What is missing is the polar pattern. A condenser can be cardioid, omnidirectional or figure-of-eight, and which one it is decides whether the room is in the recording. Every USB microphone on this shelf publishes cardioid; this does not say.

Nor does it mention phantom power, which a condenser capsule requires and which comes from the interface rather than from the microphone. That is the question a first-time XLR buyer gets wrong, and the listing leaves it unasked.

The metal tripod is in the box and the XLR cable is not — FIFINE states both. The 662 g (23.4 oz) in the product record is the microphone plus that tripod, which is why it weighs more than the 308 g (10.9 oz) condenser at six times the price.

Availability

Read on the day this page was built: $37 at the American Amazon shop.

Read from Keepa on the day this page was last revised; stock and price both move without notice.

Prices quoted in this text were read on 2026-10-07. The live price is at the top of the page.

In its favor, and its limits

Strengths

  • Publishes a sensitivity figure and a maximum SPL, which only one and one other microphone here do
  • The only microphone on this shelf to publish a diaphragm diameter
  • An all-metal body and a metal tripod at the bottom of the price range

Compromises

  • The XLR cable is not included, and the listing says so
  • No polar pattern published — a condenser can be cardioid, omni or figure-of-eight and this does not say
  • No phantom power requirement stated, which is the one thing a first-time XLR buyer needs to check

Specifications

TypeXLR condenser, balanced output
Diaphragm16 mm (0.63 in) — the only diaphragm size published on this shelf
Sensitivity−43 dB, which FIFINE describes as keeping quiet passages clear of background noise without loud peaks clipping
Maximum SPL130 dB
ConnectionsA single XLR output. The XLR cable is not included
BodyAll metal
IncludedA metal tripod stand with non-slip feet
Phantom powerFIFINE puts nothing in writing on this. A condenser needs it, and the interface at the other end of the XLR cable is what supplies it
PatternFIFINE puts nothing in writing on this.
Manufacturer referenceABCD2303669C
Amazon referenceB0BZP6YW9C
EAN0850035565919

The questions players ask

What does −43 dB sensitivity tell me?

How much signal the capsule produces for a given sound pressure. A more sensitive microphone needs less gain from the interface, which matters because gain is where noise enters. It is one of the two figures that let two microphones be compared rather than described, and two of the nine microphones on this shelf publish one — this at −43 dB and a dynamic at −50 ± 2 dB. The most expensive microphone here publishes neither.

Do I need anything else to use it?

An XLR cable, which FIFINE states is not in the box, and an interface or mixer that supplies phantom power — a condenser capsule needs it and this listing does not mention it. The tripod is included. An XLR microphone is one component of a chain; the four USB microphones on this shelf are the whole chain in one body.

Accessories confirmed for this instrument

Shown because the accessory names this instrument itself.

This one’s price among music instruments and gear

Details checked on October 7, 2026.

Who should pick this one, among music instruments and gear

A first XLR microphone for someone who already owns an interface and a cable, and wants figures rather than adjectives.

Sources

Specifications: the manufacturer sheet for musical instruments and gear and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.

The method applied to these music instruments and gear