• Manufacturer: Griffin Technology

• SKU: Twenty Digital Audio Amplifier

• Promotion: Free Shipping on Domestic orders over $29.99

• Description: "Twenty is a digital amplifier for your speakers that receives Bluetooth or optical audio streaming from your phone, tablet or computer.Setting up Twenty is a snap. Connect your speakers to Twenty, pair your phone or tablet to Twenty, and hit Play. Or, use the included optical TOSLINK cable to physically connect your AirPort Express or Apple TV, game console or TV for clear optical audio. For extra low-end, Twenty has a Sub-out to add your existing powered subwoofer.Twenty's minimalist design looks good on any surface - next to the stereo, between your speakers, on your desk or entertainment console. The aluminum volume knob is weighted for smooth and accurate volume adjustment.Twenty works great with your old speakers - but what if you need new speakers? We've got you covered! Griffin is excited to offer a set of desktop speakers and subwoofer from our friends at NHT Audio. When you bundle a pair of speakers, or bundle speakers and a subwoofer, you get an instant rebate from Griffin! This is a limited-time offer, only while supplies last.Twenty is only available to ship within North America.The NHT SuperZero 2.1 speakers (9” x 5” x 5.5”) plug right into Twenty. SuperZero 2.1 focuses on delivering beautiful high-and-midrange frequency response and boast superb build quality in a compact, yet strong cabinet.Built specifically for the SuperZero 2.1 speakers, the NHT Super 8 Subwoofer delivers high-quality low frequencies in an 8” driver., Clean, minimalist design High-quality streaming audio, using AAC / aptX streaming codecs Included TOSLINK cable for AirPort Express/Apple TV and other optical devices Subwoofer output Weighted, aluminum volume knob Unit weight: 30 oz Unit dimensions: 3.45"" x 12.88"" x 9.25""Amplifier Class D Stereo Amplifier: TI PurePath Input: S/PDIF optical, TOSLINK connector and 3.5 mm adapter (included) Outputs: left & right channel connectors; RCA subwoofer connector Sensitivity: -9.4 dBFS for 20 watts (volume control set to max) AC Power: 100 to 240 VAC @ 50/60 HzBluetooth Wireless Audio Bluetooth Specification Version: Bluetooth v3.0 + EDR Output Format: S/PDIF digital stream Supported Digital Audio Codecs: AAC, aptX Range: 10 metersSpeaker Output Power: 20 watts per channel into 8 ohms @ 0.08% THD, both channels driven Frequency response: 20 Hz - 20 kHz, +0, -0.34 dB Signal-to-Noise ratio: 95 dB Crosstalk: -71 dBSubwoofer Output Auto-switching when powered subwoofer is detected Output Level: line-level output (1 V RMS nominal; 2 V RMS max.) High-pass filter: 80 Hz 4TH order Linkwitz-Riley applied to L+R channels Low-pass filter: 80 Hz 4TH order Linkwitz-Riley applied to subwoofer output"