This is a great option for building an elegant more compact home entertainment system with built-in music streaming.

This system contains the following:

• 1 x Denon AVR-S770H AV receiver
• 1 x pair of MartinLogan B1 bookshelf speakers
• 1 x MartinLogan C1 Centre speaker
• 1 x MartinLogan Dynamo Foundation 10 Subwoofer

More about this system: 

Perfect for small to middle sized rooms, this full featured AV receiver has music streaming on board. 

Discrete high-current amplifiers on all channels deliver up to 75W per channel (at 8 ohms, 20-20kHz, THD 0.08%)—enough power to drive most speakers in a mid-size room.

• 7.2 channels
• 3D audio from Dolby Atmos and DTS:X
• 6 x HDMI inputs 3 of which are 8K
• eARC
• HDMI Pass-Though in Standby Mode
• HEOS® Built-in
• Wi-Fi and Bluetooth
• Audyssey room correction
• Phono (MM) In

The Gen2 Obsidian Folded Motion Tweeter S, Folded Motion Waveguide, and 5.5” aluminum midbass driver work together here to create a completely unexpected and engaging experience from a compact footprint. Foundation B1 is ideal for small spaces, especially when combined with a subwoofer, to create a highly musical, detailed experience wherever high quality sound is desired. Foundation B1 is also threaded to work with MartinLogan's STAND25 to create a stable stand mount solution.

• Frequency Response 48 Hz - 23 kHz ± 3 dB
• Tweeter Dispersion (horizontal x vertical) 90° x 90°
• Recommended Amplifier Power 15 - 100 watts
• Sensitivity 89 dB
• Impedance 5 ohms
• High Frequency Driver 0.94” x 1” (2.4 x 2.5cm) Gen2 Folded Motion® Tweeter S with 3.5 in2 (22.6 cm2) diaphragm.
• Crossover Frequency 3,400 Hz (2-way)
• Mid-Frequency Drivers 5.5” (14cm) aluminum cone with cast aluminum basket. Non-resonant sealed chamber format. Unibody cone construction.
• Cabinet Rear Ported
• Binding Post Inputs 5-way Binding Posts (Non Bi-Wire)

The Dynamo Foundation 10 merges high performance and value into a décor friendly design that can be used with any speaker system. As with all MartinLogan subwoofers, it is also uniquely designed to keep pace with the renowned clarity of MartinLogan loudspeakers. The combination of sleek looks, a solid cabinet, and a powerful 10” woofer backed up by a robust amplifier all controlled by a powerful DSP Engine is an incredible recipe for thrilling low frequency performance.

• Digital Signal Processing High-resolution 200MHz DSP engine with 56-bit processing
• Frequency Response 25–200 Hz ±3 dB (Anechoic via LFE input)
• Low Frequency Transducer 10” (25.4cm) high-excursion, Ultra-Rigid Polypropylene (URP) cone in a stamped steel basket
• Cabinet Sealed MDF cabinet with reinforced MDF woofer baffle
• Amplifier Magnitude® MT-400 Amplifier with 400W peak (200W continuous)
• Line Level: Left, Right/LFE

• Finish Brushed black vinyl with high-gloss top