Package Includes: (1) Audio Technica AT2041SP AT2020 + AT2021 Studio Condenser Microphones+SONAR LE (1) AKG K72 Closed-back Stereo Studio Recording Headphones w/ 40MM Drivers Features of AT2041SP: AT2020 Side-address cardioid condenser microphone The price/performance standard in side-address studio condensermicrophone technology Ideal for project/home-studio applications High SPL handling and wide dynamic range provide unmatched versatility Custom-engineered low-mass diaphragm provides extended frequencyresponse and superior transient response Cardioid polar pattern reduces pickup of sounds from the sides and rear improving isolation of desired sound source Pivoting threaded stand mount attaches securely for easy and preciseplacement of the microphone AT2021 Small-diaphragm cardioid condenser microphone Ideal for acoustic guitar overheads piano and group vocals Condenser design for studio-quality vocal and instrument applications Excels in high-SPL applications Extended response for smooth natural sonic characteristics Low-mass element for superb transient response Corrosion-resistant contacts from gold-plated XLRM-type connector Rugged design and construction for reliable performance Cardioid polar pattern reduces pickup of sounds from the sides and rear improving isolation of desired sound source Specifications: Element: Fixed-charge back plate Permanently polarized condenser Polar Pattern: Cardioid Frequency Response: AT2020: 20-20 000 Hz AT2021: 30-20 000 Hz Open Circuit Sensitivity: AT2020: –37 dB (14.1 mV) re 1V at 1 Pa AT2021: –39 dB (11.2 mV) re 1V at 1 Pa Impedence: AT2020: 100 ohms AT2021: 250 ohms Maximum Input Sound Level: AT2020: 144 dB SPL 1 kHz at 1% T.H.D. AT2021: 145 dB SPL 1 kHz at 1% T.H.D. Noise: AT2020: 20 dB SPL AT2021: 19 dB SPL Dynamic Range (typical): AT2020: 124 dB 1 kHz at Max SPL AT2021: 126 dB 1 kHz at Max SPL Signal-To-Noise Ratio: AT2020: 74 dB 1 kHz at 1 Pa AT2021: 75 dB 1 kHz at 1 Pa Phantom Power Requirements: 48V DC 2 mA typical Weight: AT2020: 12.1 oz (345 g) AT2021: 2.9 oz (83 g) Dimensions: AT2020: 6.38 (162.0 mm) long 2.05 (52.0 mm) maximum body diameter AT2021: 4.00 (101.5 mm) long 0.83 (21.0 mm) maximum body diameter Output Connector: Integral 3-pin XLRM-type Accessories Furnished: AT2020: Stand mount for 5/8 -27 threaded stands 5/8 -27 to 3/8 -16 threaded adapter Soft protective pouch AT2021: Stand clamp Soft protective pouch Features of K72: A