Amazon Polk Audio  
Polk Audio Atrium SUB100 Outdoor Passive Subwoofer, Features 10" Long-Throw Dynamic Balance Driver, Down Firing Subwoofer, All-Weather Durability, Terracotta
HIGHLY SPECIALIZED PASSIVE SUBWOOFER - The Polk Atrium SUB100 Outdoor Subwoofer features Capacitive Coupling Technology & a 10" long-throw Dynamic Balance driver to deliver powerful earth-shaking bass. Customize its look by painting it to match your decor
WEATHER-PROOF SOUND SOLUTION - Enjoy the outdoor music along with the thunderous bass in any weather with this acoustically sealed, marine-certified Polk subwoofer. Its molded resin enclosure and IPX66 rating ensure years of top-quality performance
ANTI-THEFT GARDEN SPEAKER - With a 1m Cl3-rated direct burial pigtail cable for safety, no exposed wiring gets in the way of the weed whacker. This home subwoofer also features an eye-bolt security anchor and screw-down points for added security
INDEPENDENT VOLUME CONTROL - Get maximum flexibility with down firing subwoofer's built-in crossover technology. Connect this dual-voice-coil 10 inch subwoofer directly to its own amplifier channels for independent volume control and enjoy loud bass
DESIGNED TO BLEND IN - The enclosure of this subwoofer can be painted to match your landscape, while its durable resin material won't let it fade over time. Approved for in-ground use, so can be used as a plant stand or pedestal table for added versatility
CREATE UNBEATABLE HOME AUDIO SYSTEM - For an immersive home sound system for your outdoor space, pair this SUB100 Outdoor Subwoofer with Atrium 5 (Pair), Atrium 6 (Pair) & Atrium Sat300 Outdoor Speaker (sold separately) and get a baffling audio performance
POLK'S CONSTANT INNOVATION AND UNWAVERING COMMITMENT - With advanced technology and engineering, Polk bring out the best in class audio with powerful loudspeakers, smart speakers, soundbars, and more, allowing you to sit back and listen with your heart
Polk Audio Atrium SUB100 Outdoor Passive Subwoofer, Features 10" Long-Throw Dyna
Amazon Shure  
Shure SM81-LC Cardioid Condenser Instrument Microphone for Guitar, Piano, and Cymbals, Includes Swivel Adapter, Attenuator-Switch Lock, Windscreen, Carrying Case, No Cable Included (SM81-LC)
This microphone requires phantom power and performs best with a 48 Vdc supply (IEC-61938). However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11 Vdc. Most modern mixers provide phantom power. You must use a balanced microphone cable: XLR-to-XLR or XLR-to-TRS.
The SM81 is ruggedly constructed. It operates on phantom power and performs over a wide range of temperatures and humidity conditions. It is furnished with a swivel adapter, attenuator-switch lock, foam windscreen, and case for carrying and storage. Other accessories are available.
20 Hz to 20 kHz frequency response. Flat response curve for accurate reproduction of sound sources.
Low noise and high output clipping level. Low distortion over a wide range of load impedances.
Cardioid polar pattern, uniform with frequency and symmetric about axis, providing maximum rejection and minimum coloration of off-axis sounds
Low RF susceptibility
Selectable low-frequency response: flat, 6 or 18 dB/octave rolloff
0 dB/10 dB lockable attenuator switch
Rugged steel construction for durability. Field-usable over wide range of temperature and humidity conditions.
Cardioid condenser instrument microphone offers a wide frequency response and low self-noise. Features include flat response curve, low noise and high output clipping level, low distortion over a range of load impedances, and low RF susceptibility.
Shure SM81-LC Cardioid Condenser Instrument Microphone for Guitar, Piano, and Cy
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