SA-Series SA-3M 3" Speaker

The all-new 2025 Sundown SA speaker series has been designed to make a statement. What statement, you may ask? That Sundown Audio can be just as serious about SQ as we are about SPL. Many people already know this but our subwoofers – even the ones used for crushing demos – have some of the lowest distortion on the market. We are now bringing our unique approach to the more dedicated Sound Quality market.

Headed down the spectrum to the midrange we have the SA-3M. This "little" unit is something incredibly special and is a favorite project of lead product designer / founder Jacob Fuller. We really went all-out on this unit to address the "big 3" drivers of distortion. The SA-3M features 4.5mm of one-way linear excursion by 70% BL (with 8mm x-mech thanks to the custom tooled frame – so no bottoming out even on powerful dynamics) and over 6mm by CMS and LE definitions on Klippel. There is essentially NO risk of the driver reaching linearity limits in most applications. The beefy motor structure is a combination of ferrite and a neodymium pole cap magnet to help us reach 84.5dB sensitivity at 1-watt. There is a double LE treatment internal to the motor via both a copper pole sleeve and an aluminum magnet ID shorting ring allowing the SA-3M to play full-range to beyond 20khz (although, for several reasons, we do suggest using a tweeter for the top-end). On the bottom end they can be high-pass crossed over at 300hz effortlessly with 150-watts of power handling (thanks to the 28mm diameter, extra-long voice coil) or even lower if needed, with less power, due to the incredibly high linear stroke. The suspension system, surround and spider, of the SA-3M took over a year of FEA simulations and testing to reach perfection and is just as important as the motor to the resulting low distortion. We gave the suspension just as much attention as we would for a full blown high-stroke subwoofer. To finish off this masterpiece we tested several different types of woven carbon fiber cones & dust caps to achieve the best FR possible.

Sold As A Pair

Includes Metal Grille

Built as Full Range with lot of low end extension

30W RMS

150W RMS @HPF 300hz+

Cutout: 3.1"

Outer Diameter: 3.6"

Depth: 1.91"

Specification: SA-3M

Fs: 134.8 Hz

Re: 3.09 Ω

Qms: 10.55

Qes: 0.84

Qts: 0.78

Vas: 0.49 L

Nominal Diameter: 3.34"

Outer Diameter: 3.60"

Cutout Diameter: 3.03"

Mounting Depth: 1.90"

Voice Coil Diameter: 28mm"

X-Max: 6 mm

Nominal Impedance: 4 Ω

Surround Material: Rubber

Basket Material: Aluminum

Magnet Material: Ferrite